Eating Weeds: Burdock

If we agree that weeds can be famous while simultaneously being infamous, a list of famous weeds must include burdock. Its fame largely comes from being an inspiration for the hook-and-loop fastener, Velcro. The idea for this revolutionary product came when Swiss inventor, George de Mestral, was removing burs – the dried inflorescences of burdock – from his dog in the early 1940’s. Most of us have experienced this, pulling out burs from animal hair or our own clothing, but few have felt inspired to develop a new product. Infamy reigns supreme.

But burdock’s fame isn’t tied to Velcro. Its tenacious, sticky burs, which house the seeds, have been attaching themselves to humans and other animals for centuries, frustrating those who have to remove them but finding new places to grow in the process. And what better way to pay tribute to this phenomenon than to dress oneself in hundreds of burs and parade around town calling yourself the Burry Man? Lest you think I’m crazy, just such a thing has been part of an annual celebration for over 300 years in a town outside of Edinburgh, Scotland.

burs of common burdock (Arctium minus)

Of course, burdock is more than its burs. Other, perhaps less celebrated features, are its edible roots and shoots. Its leaves are also edible, but most people find them too bitter to bother. Green Deane suggests wrapping the leaves around food to cook on a campfire. Both the roots and shoots can be eaten raw or cooked, and the fermented roots along with dandelion roots are traditional ingredients in the British beverage, dandelion and burdock. The roots, shoots, and leaves of burdock have also had a wide variety of medicinal uses.

Two species of burdock have become naturalized in North America – Arctium minus and Arctium lappa. Both species are biennials or short-lived perennials. They start out as rosettes of large leaves with woolly undersides. The leaves grow to a foot or more long and wide. At this stage burdock is similar in appearance to rhubarb. Burdock has a large taproot, which can extend down to three feet in the ground. The taproot continues to grow as the rosette expands. When the plant has reached a certain size it begins to put up a branching flower stalk. It is in the rosette stage, before the plant bolts, that the taproot should be harvested.

As the flower stalk grows, the plant takes on a pyramidal shape, with the leaves along the stalk getting increasingly smaller with height. The plant can reach several feet tall, with one source describing them as towering up to ten feet. The stalks should be harvested before the plants start flowering. Multiple flower heads are produced at the ends of the branching stalk. The inflorescences are composed of purple, tubular, disc florets that are encased and encircled in a series of hooked bracts. The flower heads resemble thistle flowers, but the plant is easy to distinguish from thistles due to its large, soft leaves. Speaking of the leaves, one photographer found them alluring enough to compile a series of photos of them.

Common burdock (Arctium minus): the woolly undersides of the leaves and the tops of the taproots

While burdock can be nuisance plant, it is not particularly noxious. In The Book of Field and Roadside, John Eastman writes, “Burdock cannot be labeled a truly invasive weed, for it rarely intrudes into cultivated fields. Tilling usually controls and eradicates burdock populations. Its favored havens are the disturbed soils of roadsides, railroads, fence rows, vacant lots, and around sheds and old buildings.” In Wild Urban Plants of the Northeast, Peter Del Tredici also comments on burdock’s preference for minimally maintained locations including “vacant lots and rubble dump sites; the edges of emergent woodlands; the sunny borders of freshwater wetlands, ponds, and streams; and on unmowed highway banks and median strips with frequent salt applications.”

I harvested my burdock roots along an unmaintained fence line surrounding a series of raised flower beds. I chose a simple recipe for making burdock chips that involved peeling the roots, cutting them into thin slices, dressing them with olive oil and salt, and baking them in the oven. Since the author of this recipe mentioned buying burdock from a store, they were probably using Arctium lappa, or greater burdock, which is commonly cultivated, especially in Asian countries. Both species can be prepared in similar ways.

burdock roots

The burdock chips had a pleasant nutty flavor, but they were also a little stringy and tough to chew. If I were to do it again, I would probably use a recipe like this one that involves parboiling and then frying. Sierra suggested grating the roots and frying them in bacon grease, which would probably do the trick. There are also recipes for pickled burdock roots, which would be fun to try.

Because the plants I harvested were still in their rosette stage and there weren’t any other plants in the area that were bolting, I didn’t try the shoots. But I’ll keep my eye out, and when I find some I may have to write a part two.

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Book Review: Grow Curious

In the early 2000’s when I was really getting excited about learning how to garden, one of the first resources I turned to was a website called You Grow Girl by Gayla Trail. I probably saw it mentioned in a zine about gardening. Something about it felt very punk rock. Trail’s site was different than other resources, and it spoke to the anti-authoritarian, non-conformist in me. Reading through the About page today, Trail’s punk rock spirit hasn’t waned, and I can see why her site appealed to me.

Now with well over two decades of gardening experience to draw from, Trail continues to run her site, has written five books (including one called You Grow Girl), and her “contemporary, laid-back approach” to gardening remains essentially the same. In her words, she “places equal importance on environmentalism, style, affordability, art, and humour.” Her “aim has always been to promote exploration, excitement, and a d.i.y approach to growing plants without the restrictions of traditional ideas about gardening.” We share these sentiments, which is why when I learned of her most recent book, Grow Curious, I knew I needed to read it.

Grow Curious by Gayla Trail accompanied by a pressed leaf from Trail’s garden.

Grow Curious is an activity book for gardeners of all ages, backgrounds, and skill levels. It diverges from most books about gardening in that it is not a how-to or a what-to-plant-where guide. It is instructional, but only in ways that are less about getting our chores done and more about helping us explore our gardens in order to see them in a new light and open our eyes to the remarkable world that is right outside our door – a world often overlooked because we have work to do. Trail’s book is also meant to reinvigorate any of us that may be a bit disillusioned by the act of gardening – having misplaced our spark along the way, lost in the drudgery of it all. It’s about stopping for a minute, looking around, and seeing things we maybe haven’t noticed before but that have been there all along.

Because Grow Curious is a compilation of garden activities (“an invitation to play”) interspersed with prose, there is no need to consume it chronologically. Activities can be done in order or chosen at random. They can be skipped altogether or done at different times of the year. The book, however, is organized by season, starting in spring and ending in winter. In this way, the story of the birth and death of the garden is told, a polarity that Trail reflects on throughout the book. In the introduction to “Fall,” she writes of the growing season coming to a close and the garden becoming “a scene of decay.” The garden’s death can help us come to terms with other deaths, including our own. On a brighter side, the return of spring can bring a newfound sense of “hope, transformation, and optimism;” along with “the energy of renewal.”

Botanical rubbings – one of dozens of creative, garden activities found in Grow Curious by Gayla Trail

The bulk of this book is a series of activities that are meant to, as the subtitle proclaims, “cultivate joy, wonder, and discovery in your garden.” In general, the instructions are minimal – a short paragraph or two; a single sentence followed by a list of things to observe or do. In this way, you have the freedom to explore and make things up as you go, without worrying about rules or whether or not you are doing it right. Activities include touching an insect, observing the shapes of leaves and stems, smelling soil, taking pictures from new and unusual angles, visiting your garden in the dead of night, et cetera. Some activities are more involved, like raising a caterpillar or researching something to death. Other activities require little effort, like pulling up some plants to see what color their roots are or tasting an edible plant part that you have never tasted before. To facilitate advanced exploration, many of the activities include ideas or ways to “Go Further.”

Among the pages of activities are Trail’s musings on gardening and life (as it relates to gardening), and I found these to be equally intriguing.  Like her thoughts on fear and insecurity: “I was inexperienced and uncertain, full of my own fears and excuses.” And her “balanced” view on pests in the garden: “Since our insect partners often depend on the so-called bad guys, it turns out that a balanced garden needs both.” Her encouragement to observe the differences between wild plants and weeds that grow within and beyond the borders of our gardens, and her plea for us to “invite wildness” in, noting the “knotty labyrinth” that exists between “wild” and “cultivated” – “social constructs that we place in opposition to each other.”

Orange roots of California poppy (Eschscholzia californica). “As you’re digging up, moving around, and planting out new crops, trees, bushes, and perennials this fall, take note of plants that have colourful roots.” — Gayla Trail

If you have been following Awkward Botany for a while, you can probably see why this book is right up my alley. If you enjoy reading Awkward Botany, this book should be right up your alley, too.