Poison Ivy: Hairy Vine
There are almost as many ways to climb trees as there are species of vines. Grapevines have curly tendrils that grab branches, while Virginia creepers use little suction-cups. Asian bittersweet corkscrews its way round and round the tree trunk. But poison ivy’s method of ascent is unique. Poison ivy gets to the top by growing thread-like rootlets all along the length of its stems. At first the rootlets appear as little patches that look like tufts of fuzzy hair. The furry roots secrete a glue-like substance which virtually cements the vine to tree or wall. As the main stem ages, more and...
Read MoreCan You Eat Poison Ivy?
In my poison ivy research I keep running into the old belief that eating a leaf of poison ivy every day in the spring will make you immune to the itch.
Read MoreGood Lawn
I saw a sight the other day that froze my blood. There was a toddler, a hapless infant, sitting on a lawn. Not even a blanket underneath him, mind you—the poor child was sitting right on the grass. Made my blood run cold. Why? Because it was a lawn made of nothing but blades of grass. Close-cropped and bristly as a Marine’s haircut. Not a weed to be seen, not a leaf of clover, not a dandelion, not a plantain leaf. Nothing but grass. So what? That’s what a lawn is supposed to be, right? I suppose so. But it doesn’t stay that way naturally. Dandelions, clover, plantain: they’re all are highly...
Read MoreDo Dogs Get Poison Ivy?
Do dogs and other species of animals get poison ivy? As far as I’ve discovered, humans are the only species to have such an extreme dermatitis reaction.
Read MoreBuds: Springs Yet To Come
Buds, to use strict botanic terminology, are those little bumps on the ends of twigs that no one ever notices. Until one fine day, when the little bumps burst open and reveal the leaves and blossoms of spring that we’ve all been longing for. As miraculous as a chick hatching out of its shell. It’s been a long hard winter, and everyone’s delighted to see the new green leaves bursting forth on the branches—the leaves of this spring. But when did the buds start incubating those baby leaves? Last spring, a full year ago. At the base of each and every leaf on each and every tree, a tiny speck...
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