Stinging nettle: weed or crop?

by Paul Hetzler, Cornell Cooperative Extension of St. Lawrence County If you have a nettle patch, put away the weed killer and consider yourself lucky to have this tasty plant. Many gardeners don’t like stinging nettles (Urtica dioica) because they are painful to touch. The plants sprout little hypodermic needles on their stems, leaves and even flowers. These glass-like silica-based needles, called trichomes, inject a mixture of irritating chemicals upon contact. So why would you risk putting it in your…