Thread: Fall Cole Crops
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Old October 8, 2017   #24
jtjmartin
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Location: Williamsburg VA Zone 7b
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The dunks are likely Bti - a form of bacillus that controls mosquitos and gnats. You would need the Btk form that is effective against caterpillars - so no need for crumbling the dunks!

Others are free to correct me, but I've always considered Bt to be about as safe as insecticidal soap. There's always hand removal!
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