Guess how I know the poison Ivy is out?! Thats right I caught it already!!! First let me tell you, that I got this stuff last year and I sprayed the area about a month ago and I thought the poison Ivy was dead... all dried up, etc... so I thought, there is no harm in planting in the area, especially if I wear gloves! Wrong! I caught it anyway... it was still "venomous!" So learn a lesson from me, dried poison ivy is just as bad and never be around if you burn it... very poisonous to your lungs... could be deadly if you are allergic to the stuff... Anyway, poison ivy can grow anywhere and everywhere. The main thing is, if you know you have it, no matter what... DO NOT SCRATCH IT! This will totally make things worse! So be on the look out for this crazy vine!!!