Have you received the Dr. bill yet? RoundUp is safe if directions are followed, and only works on "actively growing "plants. Now would be the time to use it on the PI. I'm talking about the regular RoundUp...not the Extended Control stuff they've come up with since their patent ran out. I don't know what' in that. I had a pesticide applicators license for 15 years, and had to go to periodic classes to maintain it. I still use it when necessary.
