Copper and your orchids

[gixrj18]

Originally Posted by Leisurely

In Florida, we have tillandsia, a common air plant that grows profusely in some varieties of trees and is a type of bromelaid. It can become so thick that it causes the tree to decline. There is also, of course the familiar Spanish moss. One of the controls for eliminating both is copper fungicide that is sprayed into the tree. If it kills bromelaids, what would it do to orchids? I think the answer is simple.

I guess it would depend on the dosage. Fertilizer can kill a plant, if you use enough of it....but we still feed that to our orchids. I guess the argument can go both ways, because there is lots of stuff that can kill a plant (under the right conditions) that are used on, and sold for plants every day! Just my