My Flower Garden Has Developed Yellow Spots On Everything
I have a garden full of zinnias that have developed yellow spots on the leaves. These yellow spots are spreading all over my garden and I can't seem to stop it.
Certified GKH Gardening Expert
Zinnia are susceptible to leafhoppers and they cause damage like this. This article will help: http://www.inhs.illinois.edu/~dietrich/Leafhome.html