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Sharon from Bothell, Wa. writes

How often can I spray my small elm for caterpillars?

Purchased container of systemic insect control for caterpillars, use sprayer connected to water hose, how much and how often should I spray? Instructions not clear to me.


We apologize, please let us know which product you are referring to. Thank you!

Answer last updated on: 05/29/2014

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