white powder on stems
Hi, I am finding a white powder type substance on the stems of tomatoes as well as coneflowers (not located near each other). What is this? How do I get rid of it, or can I? Can we still eat the tomatoes?
Prince George's County Maryland
This is the protective fuzzy material produced by planthopper nymphs.No action is necessary. Here is info about them: http://extension.umd.edu/hgic/planthoppers-flowers