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Why Worms?

I suppose I should explain how I got into worms in the first place. I planted my first garden in Santa Cruz, California about eight years ago (and wrote a book about it called From the Ground Up: The Story of a First Garden), and it wasn’t long before I was buying every garden accessory and toy I could get my hands on. I had a serious Saturday-morning nursery habit. Most of my paycheck went to plants, rakes, shovels, and bags of compost. I was in deep.

One morning the nursery had a display of worm bins for sale. The bins, which are called Can-O-Worms, consist of three round stacking trays with small holes in the bottom. You stack the trays on a sturdy plastic base, introduce worms into the bottom level, and eventually they work their way through each level, eating kitchen scraps as they go. Once they’ve massed in the top tray, the bottom tray is usually full of castings—worm manure—that is ready to go into the garden. You empty the bottom tray, make it the new top tray, and keep going. The worms never leave the bin; they just move through each tray in an endless cycle of eating, reproducing, and—well, shitting.

It’s hard to say why the worms appealed to me so much, exactly. Part of it is that I wanted that worm shit, which is the finest cuisine you could feed a plant and extraordinarily expensive if you buy it retail. Part of it was that I liked the gear. A worm bin is hip, in an organic, northern California way. And part of it is just that a colony of anything is fascinating to watch. Ants, bees, worms—they all have curious customs, unfamiliar ways of life, and I thought I’d find them entertaining.

Now I have thousands of worms living in two bins on my back porch, and they’ve kept me entertained for years. They are good pets, loyal and hardworking, and they earn their keep. I wrote this book—the new one, The Earth Moved—for a lot of reasons, but one of them was that I wanted to pay tribute to the inveterate invertebrates that live their lives outside my kitchen door, devouring my coffee grounds and my morning paper, leaving their rich black castings behind.

Crazy Worm

It rained all night, and that can only mean one thing: worms on the sidewalk. Oddly, no one knows exactly why worms wriggle onto the pavement, a place of near-certain death, on rainy mornings. The best guess is that they can sense a change in barometric pressure or humidity and, fearing a flood, they stage a walkout. Earthworms breathe through specialized cells in their skin that exchange carbon dioxide for oxygen. They like dampness, but they won’t live long underwater.

Worm farmers live in fear of a walkout, a kind of group-think behavior in which thousands of worms rise from their bedding at once and mass on the pavement, or even the walls of a shed, which makes it impossible to round them up and herd them back to their home. On a rainy night, a worm farmer will leave floodlights shining on the worms all night, hoping that their dread of light will overcome their fear of floods.

After a rain like the one we had last night, I make sure that my morning walk takes me past a house down the street that has a fine colony of Amynthas corticis, an Asian worm that’s sometimes called a snake worm or a crazy worm. These worms are about six inches long and so excitable that they will lash around and try to jump right out of your hand. I like to collect these worms and add them to my own garden, just to increase the overall diversity of the subterranean population. I used to deposit them all in a rich patch of earth near my back door, where I hoped they would find each other and mate. Then I realized that these worms are parthenogenetic—they reproduce without sex—so now I scatter them all over the garden and hope they’ll clone themselves. Another strange fact about this worm: it will shed its tail to escape a predator, much the way a lizard would. I’ve never seen it do this myself.

So I always find one or two snake worms on the sidewalk near this particular house after a rain, and sure enough, there was one there today. It’s a dark worm, more brownish-black than pink or red. I picked it up and cupped it between my palms. It whipped against my skin in protest, but I carried it home, and when I reached my garden, I opened my hands and it leapt to the earth.

The Book of Worms.

It’s a strange feeling to open the door on a rainy Monday afternoon, when you are still in your pajamas for reasons you cannot explain, and face a UPS man who holds in his hands a package containing the book you just spent three years writing.

And when you open that package and find a picture of one of your very own earthworms on the cover, it gets even stranger.

This particular worm doesn’t have a name or a gender. It lacks hearing and sight. While I can’t prove it, I do assume that it has no memory of the afternoon it spent in my attic while I photographed it, Richard Avedon-style, against a plain white backdrop. I had seen the early draft of the cover from my publisher and I felt strongly that the book must have a picture of an earthworm on it somewhere. So I went outside, dug this one up, and hollered, “You’re gonna be a star!” Then I carried it upstairs for a photography session.

It’s a fine worm. A nightcrawler, Latin name Lumbricus terrestris, the very same worm that Charles Darwin wrote about in his last book, The Formation of Vegetable Mould, Through the Action of Worms, With Observations on Their Habits. This quirky little book is largely forgotten today, but during his lifetime it was one of his bestsellers, probably because he showed such affection for his subject. It was Darwin’s book that inspired me to write a book about earthworms in the first place.

Most writers will tell you that by the time their book has been published, they have forgotten all about it and moved on to something else. But that’s not true of me and my worms. Earthworms are a part of my life. I suppose they always will be.

I started this blog because I knew that things would happen on my book tour that would be stranger than fiction. After all, I’m traveling with worms. It’s bound to get weird.
But that’s not all. I know I’m not the only one who is fascinated by this blind, deaf, and spineless creature that lives underground and swallows dirt for a living. So welcome, worm lovers of the world. This is your home.