Hi everyone,
A couple of very healthy looking squash plants in a planter have very rapidly developed a case of silverleaf. We are in southern California, and do have some whiteflies around, but not many. There are a lot of fungus gnats hanging around that planter, though.
Does anyone have treatment suggestions? As far as I can tell no one is sure what causes it... Thanks!
Lina
https://catsandcardamom.com
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