Nature & The Nervous System

Nature is life, and nature is rhythm. Co-evolved and co-evolving with plants, animals, fungi, bacteria, weather, water, and all organic elements, humans are inherently part of the symphony of rhythms and relationships.

It’s no surprise, then, that a number of recent scientific studies tackle the problems of modern indoor-centric life and support the assertion that spending a significant amount of time outdoors improves wellbeing. A robust study in 2019 found that exactly two hours of time in nature (outdoor environments like woodlands, beaches, parks, etc.) per week improved health and wellbeing, as reported by the participants. Jim Robbins recently reported on this topic and included findings that time in nature can “lower blood pressure and stress hormone levels, enhance immune function, reduce anxiety, and improve mood.” A 2017 article in the International Journal of Environmental Research and Public Health elucidates how the many benefits of nature experience are most likely related to the variety of sensory inputs combined with particular microbes and chemical compounds our bodies contact and absorb. While vision can be an important sense overall, the article affirms that total lived experiences in the environment full of sounds, smells, tastes, and tactile opportunity are crucial for wellbeing.

A walk in the Wissahickon is a multi-sensory embodied experience

Phytoncides, organic compounds usually emitted by plants for defensive purposes, “permeate the air in natural environments and are ingested by visitors [or inhabitants]…They are a popular topic of study in Japan, and widely believed to contribute to benefits experienced during nature walks known as ‘shinrin-yoku,’ or ‘forest-bathing.’”  Several phytoncides have been found to be antimicrobial, to increase immune system activity, and to decrease stress.

Air ions, charged particles resulting from radiation, cosmic rays, solar waves, waterfalls, thunder, and UV light, are “particularly abundant in natural places…and they have been suggested as one of the potential mechanisms for the physiological and mood benefits of natural places.” The negative air ions found outdoors “stabilize mood and increase vigor, friendliness, and ease of concentration,” while indoor spaces devoid of the ions are associated with depression.

And of course, we must remember that many of the hundred trillion bacteria in our bodies come from soil, water, animal feces, and spores. The “gut microbiota” is crucial for nervous system functioning, and decreased exposure due to a sanitized indoor lifestyle hinders our ability to benefit from those relationships.

Deepening Relationship: Co-regulation

The scientific findings on nature and wellbeing are amplified when we invite in dialogue from psychology and the arts. As someone engaged in body-based healing and therapy, I’ve been studying the Polyvagal Theory, created by Dr. Stephen Porges and referred to by Deb Dana as “the science of feeling safe enough to take the risks of living.” Polyvagal Theory works with the commonly known idea of “fight, flight, or freeze” in regards to human behavior and nervous system activation, and it adds another category: social engagement. The states of nervous system activation could be envisioned as a ladder–if something has signaled to us that our life is in major danger or that we are trapped, we shut down and freeze. That’s the bottom of the ladder, and the oldest part of our nervous system known as the Dorsal Vagus. When we mobilize in order to fight or run away from the stressor or threat, we’re in our sympathetic nervous system. When we perceive safety, largely through the presence of healthy relationships, we enter into the newest part of our nervous system, the Ventral Vagus (VV). Here, at the top of the ladder, we are able to socially engage and communicate with a sense of curiosity. In order to move from shut down to VV, one needs to move through some sympathetic activation on the ladder.

Co-regulation is key for accessing VV energy. In cases of trauma, it can be difficult to self-regulate. Though it may also be difficult to establish enough trust to develop a healthy co-regulation relationship, that relationship built over time is crucial for regaining resilience within the nervous system. Co-regulation is actually a biological need that all humans have for reciprocal regulation; it’s the way our nervous systems talk to each other, connect, mirror, and help each other feel safe enough as we move through the various states of activation and relaxation. It’s for this reason that I love to see “community care” involved in any conversation about “self care.”

Image by Relational Uprising

Essentially, the research on how nature time and health/wellness are interconnected mirrors the finding that spending time in nature helps people reconnect with the VV state. As described in the book Nature-based Therapy by Nevin Harper, Kathryn Rose, and David Segal, “Nature is filled with an abundance of flora and fauna that help engage people in the present moment and embodied exploration. [They] bring out curiosity in people and motivate a further connection with nature…Encounters with beings that can be climbed, tended, and taken in awe or wonder provide a powerful means to engage in the present moment and begin the process of acquainting [people] to their own nature, their own animal bodies, and specifically their mammalian nervous system.” In other words, outdoor environments stimulate curiosity, connection, wonder, and embodied presence that immediately bring us into a Ventral Vagal state.

In “Performing ecologies in a world in crisis,” (an editorial preface to Choreographic Practices) Robert Bingham references choreographer/performer/professor Merián Soto’s outdoor improvisational work Into the Woods: “She urges readers to ‘just go’ outside and feel the heartbeat of nature through their moving, sensing bodies.” To feel a heartbeat is, indeed, a somatic experience. In your own body, you might find that you are aware of your heartbeat and that the awareness is heightened through touch. Touch, colloquially referred to as “the mother of all senses,” is in many ways our most intimate sense and has the greatest co-regulating capabilities. What would it be like to touch the earth with the open intention of feeling the heartbeat of nature, of life itself? What would it be like to garden and grow food with that kind of touch? What would it be like to move through the world still in contact with that rhythm, to make decisions and develop habits from that place of felt-connectedness?

In terms of co-regulating with non-human creatures, we probably most readily understand it with animals, perhaps through relationships with pets. But I propose that even though plants don’t have a nervous system in exactly the way mammals do, we still enter into a dynamic, responsive relationship with them. Studies show that “plants evolved to have between 15 and 20 separate senses including human-like abilities for smell, taste, sight, touch and hearing.” Plants can remember, sense danger, respond with chemical alterations accordingly, and communicate information to their nearby communities. They’re especially intertwined with fungal communication networks. And there may be much more about their rich internal life that we haven’t scientifically explained yet. All this to say: our plant friends are very much alive, and they have a rhythm and intelligence that inevitably resonates in our bodies, helping to balance us as we grow closer to them. Perhaps we can co-regulate with them, just like we co-regulate with friends, partners, pets, or therapists.

Dancing with rocks at the pier, via the Tree Water Land series facilitated by choreographer Esther Baker-Tarpaga

Deepening Relationship: Reciprocity

As we grow closer to nature, spending more time outdoors, getting to know various species, becoming more and more intimate, we may find that we agree with Merián Soto when she asserts that “we are nature.” The authors of Nature-based Therapy agree, emphasizing that their approach to therapy involves supporting a reunion with nature as opposed to an extraction relationship in which humans take benefit from some “thing” that is separate from them. Importantly, the authors also note that outdoor experiences often include an element of risk. Nature isn’t always soothing or tranquil. And from their standpoint, accepting inherent risk is “both restorative and meaningfully disruptive (i.e. burdensome, tiring, challenging).” The risk and therefore inclusion and toning of quick-response survival mechanisms combined with the overall Ventral Vagal support as described earlier in this article actually helps create a more resilient nervous system.

Robin Wall Kimmerer, whose environmental work is grounded in the knowledge systems of First Nations, sees human-plant relationships as that of “kin.” The view of being-family supports an attitude of gratitude and togetherness. Sondra Fraleigh beautifully writes that “as we move our senses out towards the world, and a sense of the world returns to us, there is folding reciprocal play in consciousness.” Reciprocity is real depth of relationship, and what is missing from so much of modern postcolonialist life. While I can appreciate the scientific studies about how being outside in “nature” (for just two hours a week!) improves human health, the studies also perpetuate the problematic view that nature is simply something beautiful/useful for us to feel better, and then we can go on back into the broken bifurcated system keeping us separate from our kin, and essentially, ourselves.

When we come into full reciprocity in relationships, we feel the ebbs and flows of giving and receiving. We feel the innate desire to take care of the earth arise within us. We recognize all the ways we are fed, and we wish to give back equally and frequently. We grieve loss of non-human kin the same way we grieve human loved ones. We ask what we can do to help and support in times of need. We are ready to respond in times of crisis, such as now. Whether the response is shifting the paradigm back to connection, supporting and ushering in political systems that will immediately create large-scale energy and environmental protection reform, supporting indigenous people and returning land to them, caring for regional plants through propagation and stewardship, seed saving, reforesting cleared lands, getting to know local ecology and species, learning wildlife rhythms and needs, taking fewer resources, fighting for regenerative growing practices rather than destructive industrial agriculture, offering material tokens of appreciation, or simply feeding a bird, or a bee, or dancing the spirit of a place— whatever the response, the embodied reciprocity is the heart of healing.

EFTE crews have been restoring native groundcover and shrubs to this woodland space.
A moment in Rittenhouse Square, grieving for loss of kin. Project initiated by Chloe Rossetti.

Dark Night of the Soil: Restoring the Human-Humus Relationship

“‘Imagine a conference not on the Future of the Humanities in the Capitalist Restructuring University, but instead on the Power of the Humusities for a Habitable Multispecies Muddle!

…human beings are with and of the earth, and the biotic and abiotic powers of this earth are the main story. However, the doings of the situated, actual human beings matter. It matters which ways of living and dying we cast our lot rather than others. It matters not just to human beings, but also to those many critters across taxa which and whom we have subjected to exterminations, extinctions, genocides, and prospects of futurelessness.”

Donna J. Haraway, Staying with the Trouble: Making Kin in the Chthulucene

Much of our soil is becoming mere dirt. And if you care about climate change, you need to care about the crucial role that land degradation is playing in global warming, and the crucial role that soil restoration will and does already play in creating real climate solutions.

Healthy soil teems with life beneath our feet. Being land-dwellers, we tend to focus on what’s aboveground. When we observe plants, we’re typically only seeing 30 percent of the overall biomass of that plant! Besides root structures, all sorts of bacteria, organisms, and detritus interact in complex ways in soil. Within a cubic meter of healthy earth, you may find fungal hyphae twice the diameter of the earth! For those who do not know, hyphae are thread-like tubular structures, a mass of which make up the mycelium, which is the true body of a fungus. Hyphae digest externally (by releasing chemicals and enzymes into soil and nearby plant tissues) and form connections that transfer nutrients into itself as well as the nearby plants. The complex subterranean world was designed by nature intelligently; our interference in its wellbeing has had devastating fallout including desertification and global warming.

The number one culprit in degrading and eroding soil is big agriculture. Practices like tilling, no use of cover crops, and heavy use of fertilizers and pesticides all strip nutrients and microbes and destroy what Walter Jehne, Australian climate scientist and soil microbiologist, calls the “soil sponge,” full of fungal hyphae helping to create a porous living material that can sequester carbon. Sue Van Hook, mycologist, naturalist, teacher and healer, explains in this interview with Mushroom Revival that carbon is like the skeleton of the sponge and can hold up to 8x its weight in water. This massively increases the longevity of soil and the ability to continue growing in times of drought. Spores from fungi that grow in soil also trap water vapor, and Walter Jehne notes in this excellent interview how water vapor plays a key role in hydrology and the cooling of the planet. 

Walter Jehne illustrating the soil sponge, largely made by fungi and carbon who make space for voids and space in the soil structure, in which water and roots can proliferate. Jehne also explains how the increased surface area of minerals in a soil sponge like this increases biofertility.

He further explains that, “For the last 8,000 years of ‘human civilization,’ we’ve been very effective at clearing and burning [productive] land, cultivating those soils and building industrial systems. We’ve oxidized the carbon and destroyed the biological cycles that underpin the health of those landscapes. We’ve done that with 5 billion hectares of land, turning 40 percent of the Earth’s land surface into desert and wasteland. As we oxidize the carbon, by definition, those soils can’t infiltrate, retain, or make available water from rain. Invariably, they go to desert. That’s been the history of man on this planet.”

In brief, sequestering carbon in soil has the potential to reverse climate change by firstly drawing down the oxidized atmospheric carbon into the ground where it is stable and beneficial, and by rebalancing the water cycles of planet earth.

OK— so how does humus play into this?

You may be thinking it has something to do with compost? Topsoil? Organic matter? Well, sort of. Let’s start with organic matter. When it decomposes, all kinds of molecules are broken down (protein, sugars, amino acids, etc.) by bacteria/fungi/other organisms in the soil. Eventually usable stuff that’s been broken down as much as is possible is available to plants. Then there’s leftover molecules largely made up of carbon, and this absorbent material that we’ve historically called “humus” is very stable and can persist in soil for hundreds of years. 

Humus is hard to define. In fact, Erhard Jennig writes that “humus is not a real substance, but rather a process.”  The seemingly simple and common definition of humus as “black-brown matter in the topsoil produced by the putrefaction of vegetable and animal matter” does not capture the complexity of formation processes that take place following decomposition processes, which includes binding together with inorganic compounds like fine clay particles. More recent research into soil microbiology by Jehne reveals that “humus” may have more to do with what is secreted by plant roots than we previously realized. 

We can agree that compost is good, and adding organic matter especially to areas in which you frequently harvest seems especially good. But Jehne says that most soil carbon comes from plants’ root exudates. “Nature created soil by growing plants and making sure that potentially up to 60 or 70 percent of the biomass produced can be fixed into stable soil carbon. Currently though, little of it is.” Importantly, fungi are the necessary agents that mediate conversion of these root exudates into humates or glomalin (stable soil carbon). Glomalin is produced from leftover chitin from cell walls of fungi and acts like a glue or bedsprings within our soil sponge. 

These facts illuminate why common agricultural practices that rely on constant soil disturbance through clearing and harvesting end up making the humus process nearly impossible. The humus process generally requires undisturbed land, which is why you’ll find the richest stores of that authentic black topsoil in untouched forests. We need to revise what “commonplace” growing practices are these days—let’s choose practices that support the humus process and the formation of a strong soil sponge that sequesters carbon, retains moisture, and creates nutrient-rich food for everyone. 

Fungal hyphae, an important part of the soil sponge and the humus process. Photo by Jerzy Opioła [CC BY-SA]

What You Can Do

Every bit of carbon that we can re-sequester into soil matters. In reality, restoring the human-humus relationship—restoring our “soil sponge” and recognizing the sacredness of living soil itself— is much more about land management practice than adding awesome compost or other soil amendments.

Van Hook and Jehne note or imply the following basic land management tasks that will restore the soil sponge. Many of these are obviously applicable to farm management, but they can also be adapted for personal backyard growing practices.

  • Don’t till! Tilling breaks up important fungal hyphae, disturbs other processes, exposes soil to radiation, and oxidizes carbon.

  • Use cover crops and groundcover.  Keeping soil covered at all times with plants reduces carbon dioxide off-gassing, provides food and relationships for beneficial fungi, attracts biodiversity and potential pollinators, increases fertility and aeration, and decreases the likelihood of heat domes and runoff. 

  • Diversify crops. Mixed species provide better benefits for everyone below ground as well as aboveground. 

  • Implement appropriate grazing practices, especially in grasslands. Think of grazing animals as “mobile biodigesters” (term coined by Jehne) who help return unharvested vegetation to the earth rather than having it burn. The hooves of these herbivores also break up soil, they help spread seeds, and waste adds fertility. Appropriate grazing means livestock are moved regularly so nothing is overeaten. Atmospheric science has shown that herbivore-maintained grasslands produce an abundance of the kinds of ions needed to break up methane ions, another harmful greenhouse gas.

  • Oppose fracking however you can—the methane exposed from that far outweighs any methane from other sources.

  • Stop using biocides, which whether organic or not, kill life outright in our soils.

  • Plant crops with deep roots like bluestem prairie grass, which pump carbon downwards into the soil.

  • Support regrowth of forests—including urban forests—however you can.

  • Aim to create perennial gardens and food forests rather than gardens full of annual plants. 
Wild Ginger was one of various groundcover plants EFTE Eco-landscaping installed in a woodland reclamation project.

As it goes in this “multispecies muddle,” our human health is directly tied to soil health. Nutrient density depends on fungi converting organic matter into available minerals, and nutrient density and quality of food grown (possibly even the presence of beneficial microbes) affects our gut health. And as we now know, many illnesses can be tied to gut imbalance. Oh, and not to mention the obvious hard truth: loss of productive soil ultimately leads to not only less nutritious food but less food period…many civilizations “plowed themselves out of business,” so to speak. But of course, we only need to worry about food security if we can first secure the habitability of this planet (i.e. mitigating climate change): habitability not only for us humans, but for all our critter friends whose homes and lives are intertwined with our own.

I hope that alongside the abovementioned practices, more humans will feel an inner perspective and awareness shift. The ground beneath our feet is incredibly complex, intelligent, responsive, and alive. We have historically demanded of the ground so much, dominating it with our shovels and machines and flames. What will happen when we recognize that which we stand upon and that which feeds us as sacred and sentient? What if, along with our revision of physical actions and care-taking, we infuse our everyday awareness with deeper sensing and gratitude for the cycles of the underworld?

For visual/auditory learners interested in hearing more details from Walter Jehne and his feasible solutions for literally saving the world, check out this full lecture video. 

A shorter visual illustration of the soil sponge can be found here

Meet the Mushrooms, Episode Two: Giant Puffballs

While lots of fungi are very small, in some cases too small to see, today’s spotlight mushroom is hard to miss when you come across it. Often mistaken for a volleyball lost in a field, the Giant Puffball (Calvatia gigantea) is aptly named—it’s a large, usually round, all-white fruiting body often found in fields, meadows, yards, and woodland areas. I found my first Giant Puffballs this year in early November, which is a littler later than what most guides would suggest (September-October). They were located in a kind of border area between a wooded zone and a landscaped yard. One of them was being choked by vinca—this one was too mature to be eaten (see my tip guide below for how I knew that).

Luckily, the disappointment didn’t last long as I soon spotted two other perfect volleyballs nearby! It isn’t uncommon to find Puffballs living in communities like this. 

Tips for Safely Harvesting Giant Puffballs

  • It is safer to harvest volleyball-size Puffballs than smaller ones. Some smaller ones are fine, but there is a higher chance of misidentification in those cases.
  • They are always found on the ground.
  • The texture of the Puffball should be smooth, perhaps leather-like, and perhaps with small “craters.”
  • There should be NO STEM and NO GILLS.
  • When you cut open the mushroom, the color should be solid white all the way through. The texture should be something like tofu. If you see any colors besides white (like yellow or brown or green), don’t eat it. If the texture is mushy, don’t eat it. If it smells really funky, don’t eat it!

It isn’t exactly known whether this mushroom is mycorrhizal (in a complex relationship with plant roots) or can simply spread its spores anywhere to reproduce, but what we do know is that it isn’t easy to cultivate like some other mushrooms. I would suggest simply noting where you found a Puffball and returning there the following year to harvest again.

Eating Puffballs: A Recipe for Pizza!

There are as many ways to prepare Puffballs as there are ways to prepare meat or tofu. One idea I’ve heard about from forager friends that I decided to try this time is Puffball Pizza. It turned out great! I’ll share with you my basic recipe below.

The next time you find the spectacular lost volleyball fungi poking out from the ground, go ahead and get excited! You really can make a feast with this mushroom, and food security and deliciousness are definitely things to get excited about. For me, there’s a thrill and feeling of connectedness when I am able to forage for wild food. Luckily, puffballs can have trillions of reproductive spores, so as long as one of them is left on the ground to reach maturity, the spores will ensure future mushroom friends, fruiting bodies, and hopefully plenty of Puffball pizzas to come.

Note that if you do not have personal experience mushroom foraging, it is suggested to obtain a positive ID from your local mycologists or experts. Some wild mushrooms are poisonous and it is your responsibility to identify wild food before ingesting.

Autumn Dos and Don’ts for Healthier Plants and Fewer Weeds Next Spring

Do

Don’t

Lawns

 

Leave the leaves (after chopping up with leaf mulcher or lawn mower)

Kick ‘em to the curb

Aerate and over-seed

Fertilize (particularly near trees)

Switch lawn to gardens

 

 

Garden Beds

 

Remove weeds and invasive plants

Let yourself be hypnotized by ‘pretty’ invasives

Remove any leaves with leaf spot

Allow the fungi to remain on the ground

Pull and dig weeds from the root

Yank and drop

Cover and smother

Weed whack and walk away

Solarize the soil to kill rampant diseases like blight on tomatoes

 

Resist the urge

Rototill weeds (Particularly with root systems like thistles, goutweed, etc.)

Cut back herbaceous perennials after they fade (less work)

Cut back while plants are still green (more work)

Add compost and/or leaf mulch

Pile up leaves around shrub stems and perennial crowns

Do a soil test and amend the soil

 

Plant garlic

 

Plant bulbs including tulips, daffodils, and hyacinths

 

Install new trees and shrubs

 

 

 

(Photos by Sherrilyn Billger) 

DO

DON’T

Soggy Soils

 

Plant trees

·      A mature evergreen intercepts more than 4,000 gallons per year

·      Red oaks can remove 92 feet of water per hour

·      Maples remove 8 feet per hour, willows remove 10

Add more grass

·      A study in NC found that switching from forest to suburban turf reduced the soil infiltration rate from 12.4 in/hr to 4.4 in/hr

·      That means trees are three times faster getting excess water out of the soil

Consider swales

 

Aerate your lawn

Compress the soil by driving over it, particularly when it’s wet

Add compost

Turn up your nose at mushroom soil

 

 

Lasagna Garden

 

To transform grassy areas into garden beds, don’t bother weeding, digging, or tilling. Ingredients: cardboard and/or newspaper, compostable materials (plant material, fallen leaves, egg shells, vegetable scraps, coffee grounds), compost and/or dirt

1.    Place cardboard or layers of newspaper on the ground and water

2.    Add a layer of compostable materials

3.    Add a smaller layer of compost or dirt

4.    Rinse and repeat steps #2 and #3 until your lasagna is at least 6” tall

5.    Do nothing for months and months

6.    Check your lasagna in April or May and marvel at the dead grass at the bottom of the ‘pan’

7.    Till if you really feel like it, to mix your lasagna into the soil below

8.    Remove any remaining bits of cardboard (toss ‘em in your compost pile)

9.    Add plants and seeds to your new garden bed

 

 

Miscellaneous Do’s

 

Remove vines growing on tree trunks

Remove dead, dying, and diseased trees, limbs

Remove invasive trees, shrubs, and vines

Consult with a certified arborist

 

In the Comfort of Your Warm House

 

Year in Review

·      What were your greatest victories?

·      What were you biggest challenges?

Start planning your next growing season. Try something new!

Kinky Roots: What Tree Transplanting and Trauma Can Teach Us

One of EFTE’s values is “plants are people too;” but lately, I’ve been thinking of it also as “people are plants, too.” Just like people, plants deserve love, care, and understanding of how they like to be treated and what their needs are in times of transition. Just like plants, the roots young humans develop given their environmental conditions have long-term impacts on wellbeing.

The other day as we were installing viburnums and Mountain laurel at a woodland site, we found that the plants from the nursery were extremely pot-bound with badly kinked roots and root flare buried too deep under the soil. Unfortunately, it’s not uncommon for nursery conditions to lead to this type of growth. Like people, the plants develop in a way that reflects circumstance, context, environment. Any number of factors such as soil quality, container size, sunlight, watering habits, etc. can affect the roots of a baby plant. What happens when it’s time for a young container-bound plant to move to a new earthen home? As with humans, we know the world is larger than the home we grow up in, but we may find that as we start to fill out into possibility and fertile expanses of soil, perhaps there are some girdled roots, so to speak, getting in the way of healthy growth.

Sad street plants installed still potbound with rootball in bad condition (Photo by Sherrilyn Billger)

A good handful of landscapers out there would probably just install the plant as is, thinking it looked fine at first glance. And it’s true, in *some* cases perhaps the resilient plant would do fine, but in other cases the roots would continue to girdle and end up leading to sickness or short life. Before beginning work in the field of gardening and eco-landscaping, I didn’t know that, like people, sometimes you need to dig around a little bit to find out what’s really going on with the roots and growth patterns of a plant, and that this is a crucial step when transplanting a young shrub or tree.

As we examined the rootballs of the viburnums, we had to dig and scrape and work with the material to discover where the healthy roots were that we needed to keep and where the kinky roots were that would inhibit the plant from up-taking nutrients and living sustainably. This process reminded me of therapeutic frameworks and healing work. Through therapeutic and mindful practices, humans often find that within themselves, there are kinked roots (usually formed when developmental needs weren’t met or through childhood trauma, or perhaps stemming from generations-long familial trauma) amidst strong, healthy, resilient roots. We may have been planted in a new situation after childhood or experienced trauma and/or transition at various later stages of life and found that, perhaps surprisingly, some of our coping mechanisms can actually get in the way of living our healthiest possible lives.

I recently attended a workshop on the Hakomi Method of Mindful Somatic Psychotherapy. Fascinatingly, we learned with hands-on experience how someone with developmental trauma who hears a potentially nourishing phrase will often have some somatic response indicating that they are not quite able to uptake that nourishment. For example, this is a potentially nourishing phrase: “Your heart deserves to be taken care of.” Folks who are able to absorb this statement will report pleasant somatic feelings, or “that feels good,” or perhaps don’t feel much somatically at all. Folks whose life experience has been traumatic in some way relating to this phrase may report different kinds of pangs, pains, or swooshes of sensation in different parts of their body, perhaps connected with emotion. The body is not able to uptake the nourishment, and now the client and therapist can both see more clearly where the girdled or problematic roots may be.

Girdled Amelanchier stump. This tree was most certainly having a hard time properly taking in nutrients and healthfully growing. (Photo by Sherrilyn Billger)
Potbound roots should be redirected outwards or cut before planting

Although with humans it isn’t always so straightforward or possible to detangle or cut away the kinky roots when being transplanted, with plants it is something we can certainly do. Researchers have said that it is possible to cut away up to 90% of kinked roots at planting time and still have the plant thrive. The most important thing is to find the root flare at the base of the plant, make sure it is level with the top of the soil, and to get as many of the roots as possible to expand outwards rather than circling in on itself. This is a beautiful metaphor for humans as well: sometimes we need a little assistance getting organized inside and getting prepared to expand outwards.

Experience shows that plants with a significant amount of problematic roots removed during transplanting may look less beautiful in the first year, but in the long run will look more beautiful and will live longer than trees who were planted with rootball still potbound and girdled. This makes me think metaphorically of a larger scope of humanity. It feels to me that our society is in a big time of transition (maybe we always are, more or less)— that we’ve exposed a lot of kinky roots at our core. I think we’re still digging around and getting a feel for the shape of the rootball and the extent of the girdling. Yet, there is a sense of urgency. It’s time to cut away the problematic roots. I’m referring broadly to histories and persisting realities of racial, gender-based, and other types of oppression and violence, white supremacist and colonizer frameworks, human-first/domineering non-relational systems, and more. It may not appear to be a “beautiful” process for everyone, at first, as we snip such roots, but it’s crucial for a healthier and more just future. I wonder where our healthy collective roots are–how can we locate those and help them get stronger? To me, this often is the work of artists, myth-relayers, storytellers, and more: creative documents can help us examine where our kinky roots have sickened ourselves and where our strongest roots could grow us into uniquely graceful, robust, or resilient beings.

If you can keep following my societal metaphor here, or even the personal therapeutic metaphor, consider that there may be times we are dealing with an older, well-established tree rather than a young tree at planting time. Older trees, for a number of reasons, including but not exclusive to the poor initial planting and root conditions, may have sick roots or get sick in other ways. One technique arborists use to ease this is to do radial trenching. In addition to cutting away obvious and easy to locate girdled roots, we can dig holes between root flares to add nourishing organic matter and to aerate the soil. Like with older individuals or with habituated societal patterns, we can certainly still work to cut away the unhealthy and knotted roots. At the same time, we can infuse the context and individuals with nourishment, love, and support. We want to give them the best chance possible to thrive. Maybe plants and people are not so different, after all: we all need a healthy environment where we can safely grow to our fullest potential, and sometimes, when conditions weren’t perfect, we need a little extra -or maybe a lot of- TLC at various stages of life to help us revivify.

Cutting out obvious girdled roots and adding compost between root flares as part of a radial trenching technique. (Still from a video by Courtney Paoli)
Some wounds scar for a lifetime. Somehow this rope is embedded into the bark of a Holly tree. It is likely disturbing flow of nourishment, yet the resilient plant grows on. Please take care of your young ones– whether plant, human, or otherwise–and take care of each other. (Photo by Victoria Moyer)

Meet the Mushrooms, Episode One: Chicken of the Woods

A beautiful rosette of Chicken. All photos in this article are from members of the Philadelphia Mycology Club, specifically Bethany Teigen, Dan Schimmel, and myself.

Ahh, autumn! The leaves crunching underfoot, the crisp and chilly morning air, the pumpkin-everything-everywhere, and—what’s that huge cluster of orange cascading down that oak tree? Mushrooms, you say?

Yes, that’s delicious “Chicken of the Woods!” Laetiporus sulphureus, to be more technical, also commonly called Sulfur Shelf. Laetiporus cincinnatus is another edible similar-looking species, but not as delicious, so I’m focusing on sulphureus. It’s relatively easy to identify (David Arora of Mushrooms Demystified lists it as one of the “foolproof four”) and, as its name would imply, can have a quite chicken-like texture and flavor when prepared properly and if the specimen is young and from a good tree. Below I cover some key identification and harvesting tips as well as some ideas for culinary use.

Note that if you do not have personal experience mushroom foraging, it is suggested to obtain a positive ID from your local mycologists or experts. Some wild mushrooms are poisonous and it is your responsibility to identify wild food before ingesting.

WHERE TO LOOK FOR IT 

  • Sulphur Shelf grows exclusively on trees. It grows on living (mature and already dying) as well as dead trees (as it is both parasitic as well as saprotrophic). This includes logs, so double check those logs and piles of wood to see if a Chicken might be lurking on the other side! 
  • You will find it anywhere on the tree, from the base up through the height of the tree. You might also find it on stumps.
  • Only harvest from hardwood trees such as oak or beech. Oak is often a safe bet. Do not harvest from any conifers or locust or eucalyptus trees (these are the ones that might make you sick).
  • Be on the lookout during August through October, possibly even later, for that beautiful pop of orange as you walk through the woods. These mushrooms tend to grow fast and in large quantities. Make a meal to share with friends!

HOW TO IDENTIFY IT

  • The color can range from orange to salmon to orange-yellow to yellow. The color fades or becomes more white with age. You can use these photos for reference as well as any mushroom book, other websites, or online mushroom groups. 
  • The underside has bright sulphur yellow pores (it’s a polypore, literally it will look like many pores, rather than gills).
  • The brackets are somewhat fan-shaped and can be smooth to wrinkled to lumpy; caps are usually overlapping or in bunches, though occasionally solitary.
  • There is no obvious stem.

OTHER COOL FACTS 

  • Unlike some more rare mushrooms, there aren’t major sustainability issues around the ethics of harvesting this mushroom.
  • For the ambitious folks, it is possible to cultivate your own C.O.W. —but this is beyond the scope of this current article.
  • As for nutrients, Sulphur Shelf is high in protein as well as an assortment of vitamins, minerals, and antioxidants.
  • These mushrooms may also have medicinal aspects such as antimicrobial and cancer-inhibiting compounds.
  • Sulphur mushrooms can also be used to make natural dye.

HOW TO EAT IT 

  • Harvest only young and tender caps. If you do want to use the older specimens, you can try to just cut off and use the more tender outer edges.
  • If possible just clean with a damp cloth. The mushrooms are very absorbent and you don’t want them to become spongy.
  • Make sure to cook very thoroughly. This breaks down the cell walls, making the mushroom more digestible and nutrients more available. This also kills potential toxins or pathogens. And little bugs if you didn’t clean them well 🙂
  • Substitute the same amount of this mushroom in any recipe that calls for chicken.
  • Super easy way to cook: just slice it thin and fry it in oil or butter, with some salt and pepper. Use as little oil as possible, again because of their absorbency.
  • Easy: slice thin and add it to your next omelet or scrambled eggs dish.
  • Foraging meets fast food: Try making breaded “Chicken” nuggets or “Chicken” fingers with a side of homemade honey mustard.

Stay tuned for more episodes of “Meet the Mushrooms.” For those of you new to mushrooming, I really can’t say enough about the joy of relating to fungi. Mycelial networks are all around us, giant organisms largely invisible to our own eyes, yet engaging in all sorts of ecological functions that often transcend human categorization. Learning to identify and eat the fruiting bodies of some of these species is just one simple way of developing a relationship, albeit a very useful and nourishing one! While my articles will tend to focus on visible and edible species, I encourage the intrigued reader to embark on their own mycological research. It is a pursuit sure to inspire, or at the very least, boggle your mind.

An Introduction to Invasivorism

Omnivore, carnivore, herbivore, locavore, vegan, freegan, paleo, etc.—there are so many diets and lifestyles to explore and follow, each with their own body of ethical, biological, and practical reasons. One diet in particular that’s caught my attention lately is invasivorism. Essentially, invasivores focus on consuming invasive species in order to control those populations and thus eventually restore ecosystem balance. It’s an added benefit that many invasive species are actually quite nutritious for humans (but let’s not emphasize that too much, lest the foods become too desirable and intentionally farmed!).

According to the National Wildlife Federation, an invasive species is “any kind of living organism that is not native to an ecosystem and causes harm.” Invaders can change the fabric of an ecosystem by out-competing and killing off native species, decreasing diversity, spreading particular diseases, and altering the food web. These are just a few examples of the multitude of complex issues associated with invasive species.

The term “invaders” certainly sounds threatening and malicious, and I often hear people speak the word with a tone of anger, even hatred. But let’s not forget that these species were usually introduced to foreign ecosystems through human behaviors. Now they’re only doing what they can to survive, just like any other organism. Whether intentionally or not, we humans are largely responsible for the complicated disturbances rippling throughout ecosystems. Invasivorism is a small reach towards finding actions that can, hopefully, have some sort of positive effect. 

If you have any interest in foraging for wild food, I think it’s worth your while to be able to identify invasives and consider how you’ll relate to them, hopefully with the best big-picture intentions for ecosystem health. While invasives include any type of organism, for the scope of this article (and in my present-day life), I’m focusing on plants. Below, I discuss Garlic Mustard, Japanese Knotweed, and Wineberries, three types of edible invasive plants in Pennsylvania and a few ideas for how to approach, harvest, and eat.

Garlic Mustard

From a patch in Morris Woods

Alliaria petiolata comes from Europe and can be found all throughout the US. invasivore.org provides some concise information on how Garlic Mustard disturbs the ecosystem, particularly through direct competition and negatively altering soil chemistry in its growing area. Garlic Mustard spreads only through seed, which is hopeful news, because it means that if you harvest the whole plant (make sure you’ve plucked the whole thing including roots) before it goes to seed in early spring, you can slowly reduce the population of it in the chosen harvesting area.

The easiest ways to incorporate Garlic Mustard in your diet are to toss the fresh leaves into any salad, or, my personal favorite, make wild pesto with it. You can add it to an existing recipe or base the recipe around it to use up larger amounts of the plant. If you want to be meticulous about discarding unused parts of the plant, such as large stems and root material, consider drying it out and then burning it in your next campfire.

Japanese Knotweed

Knotweed doing its thing: spreading quickly

Sometimes called False Bamboo, this plant is often found in disturbed areas and especially near rivers and streams. It’s a notorious invasive that spreads rapidly through multiple ways such as seed dispersal and stems shooting from its strong rhizome system. Its roots are unimaginably hardy and can even travel underneath and shoot up from concrete! It grows densely and tends to block out any other kind of native vegetation.

In Japan, Knotweed was prized as a nutritious mountain vegetable. Young shoots were harvested, peeled, and lightly cooked, or perhaps pickled. The roots are also extremely high in the potent medicinal compound Resveratrol, among other compounds.

Herbalists recommend tincturing the roots to include in multi-use medicines good for many conditions including Lyme’s Disease. If you stumble across a young Japanese Knotweed plant, try digging up the roots and young shoots for medicine and food—just be careful to dig up all of the root and rhizome material. If you find older and taller plants, it is recommended to leave it for professional removal, as the rhizome system will be too large to dig up entirely.

Wineberry

Yummy berries found in Cobb’s Creek

And now, for the most relevant plant for the month of July: Wineberries! Rubus phoenicolasius, also originating from Asia, is an invasive shrub/vine found in disturbed and sunny areas. Be careful when searching for it, as it tends to grow in conditions also loved by Poison Ivy. New York Invasive Species Information notes that Wineberries create “impenetrable thickets in natural areas, making the habitat unusable for some species and creating hiding places for others,” but also that “there has been no study to date documenting its specific impact on native species.” Wineberries are also easier to dig up than Knotweed and seem to present less of an intense threat.

The plant spreads largely through seed, which usually must be scarified through the digestive system of an animal to germinate. This is particularly important to note: several small woodland creatures now depend on this berry for food. In these cases, perhaps leaving many of the plants isn’t the worst idea. Some naturalists have recommended that it is beneficial for humans to harvest many of these berries, while leaving some amount near the forest floor. This way, we reduce the overall amount of seed traveling through their bellies and butts, but we don’t get rid of it entirely.

Besides, wineberries are really delicious and can be used the same way you would use a raspberry. If you’re not sure how to identify wineberries, look for hairy red stems and berries that are often slightly more orange than a raspberry. Also note that wineberries stay enclosed in their sepals until shortly before ripe. Get out foraging for your local wineberries before it’s too late—your tastebuds will thank you! 


While it’s unpractical to solely consume invasive species, I am in favor of incorporating them into your diet. Particularly, if you can be sure your actions are slowly reducing the population (such as harvesting the whole Garlic Mustard plant before it has gone to seed), why not give it a try? Slow but sure human removal may sometimes be a better option than widespread chemical wipe-out, which may be too sudden and throw off an adapting ecosystem. Plus, lots of invasive species are healthy and medicinal. Better to eat them than to hate them, right?

Teaching Climate Change

Sherrilyn Billger, PhD and Andrew Smith, PhD will present two companion pieces at the Next Earth: Teaching Climate Change Across the Disciplines conference June 10-30, 2019. This is a nearly carbon-neutral (NCN) conference presented by the Environmental Humanities Initiative at UC Santa Barbara. For more information about these projects, please read the abstracts below.

The Philosopher and the Entrepreneur: The Pedagogical Significance of a Symbiotic Relationship

Andrew F. Smith and Sherrilyn M. Billger

How many environmental philosophers do you know who’ve had the opportunity to develop a symbiotic relationship with an entrepreneur? In our case, the entrepreneur—a specialist in restorative landscaping and forestry—opened the philosopher’s eyes to one important way in which care for the needs and interests of urban and suburban landbases provides a tangible inroad into addressing climate change. This has had a marked effect on both his scholarship and his teaching. Reciprocally, the philosopher offered a theoretical framework to the entrepreneur, rooted in a defense of plant sentience and our embeddedness in the living community. This gave birth to the name of her business. It’s also informed how she advertises it to draw attention to the ecological and climatological importance of cultivating people–plantrelationships.

In this presentation, we tell the story of the pedagogical significance of this symbiotic relationship. The philosopher offers insights into how the entrepreneur’s hands-on work aimed at restoring ecosystems inspired a book project that’s influenced his teaching inside and outside the classroom. This has proven particularly beneficial when focusing on steps students can take to work with our distant green relatives to mitigate the worst effects of climate change. In turn, the entrepreneur has found the philosopher’s theoretical framework invaluable for teaching clients and employees how to be nurturers of the land.

Take it Outside:  Eating for the Ecosystem

Sherrilyn M. Billger and Andrew F. Smith

Most of us have strong (occasionally clashing) opinions about to best redress climate change. Whether we debate as polite discourse, lively classroom discussion, or proverbial bar-room brawls, we need to step back and take it outside. To wit, this collaboration between philosopher and entrepreneur presents strategies for enhanced learning by taking students outside.

The philosopher’s pedagogical methods in the comfort of the classroom encourage students to engage with climate issues intellectually. They obtain an essential foundation, understanding theoretical issues, scientific underpinnings, and cultural context, but are unsure about how to translate what they learn into what they can do. This frequently leads to depressive overwhelm that can fortunately be alleviated through interactions with living communities in local ecosystems. Such outings provide experiential learning about interdependence, soil health, social justice, invasive species, storm water, plant tending, etc. To be clear, what is needed is not vocational training per se, but a link between the theoretical and the practicable. 

Climate change isn’t just happening out there, in the rainforests, low-lying islands, and Arctic ice sheets. It’s happening down the block where the storm drains overflow, in the park overgrown by invasive vines, and among the street trees outside the classroom window. This presentation will lay out essential elements for connecting theoretical foundations to experiential learning. We will include footage from our out-of-the-classroom activities.  

Spotting the Spotted Lantern Fly

Have you heard about the latest insect invaders? They reproduce in very large numbers, and swarms can cover entire tree trunks. They will land on your head, your shoulder, your shoe, your lap, anywhere they please. If you see one on the ground and try to stomp on it with your foot, you better be quick or it’ll hop away at lightning speed. Spotted lantern flies (SLFs) are an invasive pest, and they will be popping up all over the Philly area this year. They were already in Fairmount park last summer.

For most homeowners, SLFs are little more than a nuisance. But they can take nuisance to a whole new level. Their favorite plant to eat is Ailanthus, commonly known as tree of heaven, which happens to be another rapidly spreading invasive plant-pest. Unfortunately, SLFs also feed on fruits and have caused significant problems for some vineyards and orchards. And they feed on black walnut, maple, and willow trees, among others. Hops, cucumbers, and other crops can suffer serious damage too. (My biggest problem personally has been on my computer vines.)

I have been battling these beasties for a few years because I have a vegetable garden in Berks county, just a few miles from the location where the SLFs first came into the US (in a load of stones). 

Spotted Lantern Fly life stages
Image Source: Penn State Extension

Garden and home centers are advertising a number of different control methods, including a systemic insecticide that kills bees. If you are like me—eating for the ecosystem—you want to avoid using such toxic chemicals. You absolutely have other options.

The best non chemical option is scraping off and destroying egg masses. You can do this from late September through May, but the best time to scrape is late winter (nymphs start appearing in late April). Scraping is literally just scraping, with something like a plastic card or a butterknife. Just be careful to limit damage to the bark. Most egg masses are closer to the ground in sheltered locations. SLFs will lay eggs on just about any flat surface, including deck boards and concrete blocks.

The next step is to catch any after they’ve hatched. During their life span, SLFs climb upward in trees, so sticky bands around trunks are effective in catching them. One sticky band program in PA has already caught over a million of these buggers. In order to limit the likelihood of beneficial insects and birds getting caught in the sticky band, it’s a good idea to trim the width to just a few inches. Replace the bands every 2 weeks or sooner if they fill up.

Like many insects, SLFs can be killed with organic contact pesticides like neem oil and horticultural soap. I’ve also had great results using a spray bottle of diluted (biodegradable) Sal’s Suds. But remember that these interventions are chemical and can damage plants (don’t use in the heat of midday) and other insects (spray carefully and avoid bees as much as possible). I also like to swipe or finger flick the SLFs into a container with rubbing alcohol.

The option with the least impact on other insects is to just smash the SLFs. But you need to be quick! It could be a great game for your family and friends. 

hops

An unfortunate consequence of pests like this one is how they impact our food and beverage industries. Many of us choose organic food when possible, but the most effective methods of controlling (read: killing) pests are not certified-organic. And that makes sense, doesn’t it? Something that ‘efficiently’ kills one thing is likely to be harmful to other things. Many vineyards are now faced with higher costs from more extensive pest control measures. I’m not going to condemn wine growers out of hand for trying to protect their vines. To be frank, if the more toxic pesticides—including the neonicotinoids—were only available to companies (and not homeowners), we’d have significantly less run-off and over spray and residual contamination to deal with.

At the same time, I enjoy a nice malbec or syrah, and I’d prefer my wine be organic. Contending with SLFs clearly raises costs for all affected vineyards, but is particularly rough for organic growers. Organic pesticides like spinosad and neem oil degrade quickly, requiring many more applications than conventional options like carbaryl and dinotefuran.

So let’s be informed consumers, purchasing food, wine, and garden products that align with our values, keeping in mind the underlying costs that lead to the price on the tag.

If you’d like to learn more about how you can deal with these spotted lantern flies, EFTE will gladly venture to your home for a consultation. We will teach you how to identify all life stages, as well as where to look for the eggs, the nymphs, and the adults. We will discuss the more eco-friendly control options with you, helping you craft your custom intervention plan. We will also provide you with tips and strategies for protecting your most favored plants and trees.

If you’d prefer not to be bugged by these bugs, we also provide egg mass detection and scraping services, to destroy as many as possible before they even hatch.

What we eat matters

What we already know

The majority of food available to us is heavily processed and shipped long distances. Conventional produce has often been sprayed with chemicals that may cause cancer. We know that diets high in fresh produce are healthier, and many consumers demand organic options. Locally-produced food is generally fresher, and prevents large transportation costs, including the pollution that transportation generates. CSAs are growing, farmers’ markets are booming, and community gardens are popping up all over the city. We’re moving (slowly) in the right direction.

We know climate change is real. We know monoculture crops are particularly vulnerable to the effects of climate change. And we know that the political climate directly affects environmental regulations and therefore the quality of our air, water, soil, and food. Now is the time to take action. Now is the time for every single one of us to improve the way we eat.

But why should I grow my own food?

Growing your own food is a patriotic and revolutionary act. When you grow your own food, you have greater control over what ends up on your dinner plate. You can pick the varieties you like best, you can use organic methods, you can eat the veggies at their peak ripeness. Nothing tastes better than a freshly picked vine-ripened (in my opinion Brandywine) tomato.

If you are a CSA member or buy produce at a farm stand, growing a few of your own edibles is a great complement. The CSA and farm are indeed local—which is great!—but nothing’s more local than your back door. And maybe they don’t grow your favorite hot pepper. At the height of the harvest, vegetables like snap peas and string beans should be picked every few days. You can claim your bounty at its absolute peak.

When’s the last time you bought a head of lettuce with a few brown leaves? How about a strawberry with a mushy spot? An oddly shaped tomato? We demand visual perfection from the produce we buy, and as a result, we waste a lot of perfectly good food. You are probably more forgiving with edibles you grow yourself. You’re likely to pull off (and compost) the brown lettuce leaves, cut out the mushy strawberry spot, and use the tomato anyway. Let’s embrace imperfection and reduce waste!

You can make our ecosystem healthier

By growing more of your own food, you add more green to our city, which not only looks nice, but also helps improve air quality. Adding new garden beds and containers chips away at the ubiquitous concrete surfaces that perpetuate our ongoing runoff problem. Your garden can enhance biodiversity, feed pollinators, and improve your own connection to the natural world that surrounds us. And fresh produce is just plain yummy.