July 30, 2009

Advice on Weeding

When I first started weeding, I hardly knew what was a weed and what was not. I could identify roses and daffodils, tulips, day lilies, lily of the valley, and a few more, but not a whole lot more.

As I watched the landscape over the spring and summer, things popped up, proliferated, and came back the next year. I was cautious. I knew that 100 years ago, the land was farmed and managed by a great aunt who really knew her stuff when it came to wildflowers and other plants. So, like hunting for a long lost Declaration of Independence hidden in the back of a drawer, I searched the landscape for extraordinary plants.


It turns out, there were none. What grew there was an ordinary collection of suburban Philadelphia flora, some good — a few very shy trillium — some not so good — pokeweed, which some consider a weed and others grow intentionally as an ornamental — and some downright horrible — a collection of invasive Asian immigrants (see my previous blog, "Thugs in the Garden").

Since I spend so much time weeding, I thought I’d offer some random advice.

Know Your Weeds
There are many books and web sites that identify weeds. I’ve found “Invasive Plants of the Eastern United States” particularly helpful for the real thugs. Of course, it helps to know the name of what you’re looking for so that you can find a photo of the plant to compare with what you have. But most books and websites have photos that you can browse through. The advice of experienced gardeners, who are almost universally generous, is invaluable.

Pay Attention
It’s easy to get carried away. You’re busily pulling some vine or other, the mind wanders, and all of a sudden, you’re elbow deep in poison ivy or you’ve yanked something that you paid a fortune for a few years ago at the garden store and forgot about.

Go Out Early in the Morning
Before the heat of the day and preferably after a rain. Weeds are easier to pull from moist soil than from dry, baked ground. Follow the sun, or rather the shade, in summer.

Be Prepared
There will be bugs — mosquitoes and midges. I put on a Bert’s Bees anti-insect concoction, which seems to help. I also wear long pants, socks, boots, and a long-sleeved shirt (usually with the sleeves rolled up) when I’m doing heavy weeding in the field and woodland beyond the lawn. I know, it’s hot. But it’s protection against insects and prickles. I only wear gloves when I’m dealing with thorns, poison ivy, or mile-a-minute vine. I can't feel the plants and roots with gloves on.

Water, Water, Water
I mean drink it yourself. No need to say more.

On Compulsivity
Yes, you can just weed-wack weeds. But they will come back. Some are masochists and love being weed-wacked. I pull as much as I can, to get the roots. Pull slowly and carefully, otherwise, the stem may break and the root will still be there, ready to continue growing when your back is turned. Get them early, the more mature they are, the harder it is to get all the roots. In plants with rhizomes, it's impossible.

Prioritize
I will never get rid of all the weeds in my landscape and neither will you. They're hardy and determined, which is why they've persisted for so long. But there are some, the thugs that crowd out everything else,and the strangle vines, that have my attention. I will certainly never eradicate fiveleafed akebia or Japanese honeysuckle. But each year I have a goal to push them back further, starting from the edges, and, of course, rescuing rhododendrons, laurel, and any other legitimate plant from their clutching tendrils.

After Work
I always take a thorough shower, even if it’s cool and I haven’t gotten sweaty or muddy. I also examine my body as thoroughly as I can. We have a substantial resident deer population that brings with it deer ticks, carriers of Lyme Disease. I’ve had it twice and it’s not fun. Vigilance — and I mean vigilance, dear ticks are distinguishable from a speck of dirt only with a magnifying glass — helps.

Above All, Enjoy
Yes, it’s work, but satisfying work, good for the body, good for the soul. A great stress reliever and workout. Don't kill yourself. Stop while you still have time to sit back and enjoy. And so it won't hurt as much the next morning.

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Thugs in the Garden — A Few Least Favorite Weeds

Many people garden. I just weed. Sure, I install a few pretty plants from time to time and some actually survive. Others don’t. And it’s no wonder because more often than not, I promptly forget their names. A child whose parent doesn’t even remember his or her name will have a hard time thriving.

I also water — sometimes. But I mostly weed.

Starting about 15 years ago, when we moved house, and as a neophyte gardener, I let a lot of the vegetation around our house go. I knew about poison ivy and a few other things, but if a plant had some attribute that I thought was attractive — a nice berry, a pretty flower — I left it alone. And then I learned. They all must have been out there cheering. “Hoo, Boy! An ignoramus! What luck!” And they proceeded to party. Well, not party exactly. Some leapt into the trees; some tunneled underground. Others just had sex. With great frequency. Summer after summer.

What follows is a sampling of what I now know about a few of my least favorite weeds.

Fiveleaf Akebia
A 19th-century import from Asia that has become an invasive. With no natural enemies, it grows vociferously — 20 to 40 feet in a season, crowding out other plants and twining around shrubs and trees, strangling them. A vine that can grow for long distances underground, it wreaks havoc in many thickets and woodlands the Northeastern United States. I’ve seen it grown intentionally on an arbor as an ornamental. Beware if it escapes!

Japanese Knot Weed
Another Asian immigrant that has taken over, it grows in colonies with rhizomes that can run as far as 23 feet horizontally and 9 feet deep. Virtually impossible to get rid of without large doses of toxic chemicals. I keep pulling (really breaking off the stems from the rhizomes) in hopes that they might give up. They don’t. They just redouble their efforts, growing more stems from the broken root. It's used to make resveratrol but there's no chance of my turning it into a cash crop.

Mile-A-Minute Weed
Literally. It grows overnight. It's a very nasty customer with barbs all over its leaves as well as its stems, enabling it to attach itself to anything in reach. Unlike true vines, that have twining tendrils, Mile-A-Minute just smothers. It killed a Butterfly Bush when I wasn’t paying attention. It has beautiful dark blue berries. Don’t let them drop. They can survive in the soil for up to 7 years.


Goutweed, also Bishop’s Weed and Snow on the Mountain
At first I thought this was Queen Anne’s Lace because the flower, a lacy white, looks similar — at least it did to me. Turns out it’s a thug, crowding out everything around it and inhibiting natural diversity. It spreads underground by rhizomes. Fortunately, our resident groundhog likes it, but not enough. It’s taken me many hours over many summers to get it to a point where the groundhog, with a little help from me, can keep it somewhat in check.

Dockweed
Another thug that crowds out other plants. It likes moist areas but grows just fine at the top of my hill as well as at the bottom. Dock comes in several kinds, including curly and flat-leaved. It may have some qualities that make it good for cattle and I've heard that in Britain it's used as an antidote to insect bites. I don’t have any cattle and there’s no sign that the deer like it. They prefer plants for which I've laid out good money.

Pokeweed
A native, mostly poisonous to mammals unless cooked just right. Berries are not poisonous to birds. Grows up to 10 feet high and has clusters of dark blue berries that were used by Native Americans to make dye. Sometimes grown as an ornamental — they are quite striking. If you consider it a weed, pull it early. Once it gets tall and its tap root is established, it will break off when pulled.

Mystery Weed
This, I'm told is a weed, although I've learned to be cautious of other people's prejudices. Sometimes what someone else considers a weed, I'm willing to tolerate because I find it pretty or useful. (See definitions of weeds.) Of course, I've run into trouble that way. One or two is enough. The proliferation typical of weeds is too many. Anyone know what it is?

Go to the National Park Service website on aliens for more information on these and many other weeds,

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