Poison Ivy, Poison Oak, Poison Sumac, and Stinging Nettle

photo: wallygrom Poison Ivy, Rhus radicans and it”s close relative, Poison Oak. It grows just about everywhere and so far, it looks like this summer is going to produce an especially excellent crop. The old addage is “Leaves of three, leave it be”, and refers to the 3 glossy or … Continue reading