Poisonous PLANTS
Europeans encountered many botanical treasures when they settled North America. Especially valuable were new foods they had never before experienced. But it didn’t take long for them to discover some less desirable plants as well.
The first written mention of poison ivy is found in Captain John Smith’s 1624 . Even back then, “leaves of three, leave it be” was a useful verse to remember when spending time outdoors. It’s even truer today. Poison ivy is benefiting from increased levels of carbon dioxide in the atmosphere, and the plants are more numerous, more vigorous,
