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?

A.
A.Answers to this queston: Add Answer
GKH_Susan
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.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/using-bacillus-thuringiensis.htm

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/homemade-soap-spray.htm

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