how to tell if spider mites are gone?
Dahlias give me the greatest joy and frustration simultaneously. I have several dahlia plants infested with spider mites. I've sprayed with a Bonide product (acephate) the underside of each and every leaf that is infested. 3 of the plants have mites on every single leaf, luckily those plants are not bushy. Since these tiny terrors are microscopic how do you tell if the solution is killing them???? I can't even tell by waiting to see if the infestation spreads to the rest of the plant because all the leaves are affected. I know they hate water and supposedly it helps to blast your plant with water every day to keep them away but then disease and fungus would take over!! Anyone have suggestions on what the best approach is to treat mites and how to figure out if it's helping??