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Canna Lilies

Q.Small fuzzy caterpillars on my canna

Zone Bowling Green, Kentucky 42101 | Anonymous added on September 14, 2019 | Answered

The fuzzy caterpillars are about one quarter inch in length. They are cream in color and are eating the life out of the leaves. How do I get rid of them?

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Certified GKH Gardening Expert
Answered on September 16, 2019

You can eradicate caterpillars with Bt, a biological control spray and not a poison. The caterpillar has to ingest the material when feeding on the leaf. The timing is critical as is good coverage. A repeat spray is often needed.
For a quicker knockdown use insecticidal soap, which you can purchase or make your own.



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