Diatomaceous Earth on Hollyhock leaves works like a charm... If you look close you can see where Leaf Hoppers began chewing into them a couple weeks back. It seems that after it's been there for a little while they begin avoiding them altogether.
I mean, there’s a better than average chance that I’ll do what I always do……ignore, and hope for the best if it does cross my mind. 60% of the time, it works every time.
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