Karen, when I move all of my plants inside the two greenhouses, orchids, bromeliads, ficus, staghorn ferns, and tillandsia, I spray everything down with 3 in 1. So, yes, it can certainly be used in a greenhouse.
drdawg (Dr. Kenneth Ramsey)
The reason it's so hard to lose weight when you get up in age is because your body and your fat have become good friends.