Ask a Question forum→Bugs Eating Perennial Leaves: How to Treat?

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Name: Che Clark
Chicago, IL (western suburbs) (Zone 5b)
checlarkglobal
Jun 5, 2018 7:03 AM CST
Hey All -
Need some guidance. This perennial must be pretty hearty - every year something eats away its leaves, and every year it comes back. Makes for an ugly presentation though. Can anyone advise what to use to prevent? Thank you!!


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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jun 5, 2018 7:19 AM CST
The plant has caterpillars, I can see caterpillar poop and actual caterpillars in the picture. You can use Bacillus thuringiensis var. kurstaki, which is a biological control, or you can spray the caterpillars with insecticidal soap - or go over the plant and hand-pick them, either squishing them (wearing gloves) or dropping them into a bucket of soapy water.
[Last edited by sooby - Jun 5, 2018 7:20 AM (+)]
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Name: Che Clark
Chicago, IL (western suburbs) (Zone 5b)
checlarkglobal
Jun 16, 2018 7:12 AM CST
Thanks Sooby!! This worked out great!

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