what is the best way to get rid of poison ivy or oak in my back yard?
Answers:
Do it on a cool day, because you have to be covered in long clothes to do it, and you should wear gloves!
You have to destroy the plant by pulling it out by the root.
Here's a great article which tells you exactly how to do it:
How often are you supposed to water a Peace plant (not certain if that is the technical name)?