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Larry from Cottage Grove, Mn writes

Will Suspend SC kill or deter Japanese Beetles on rose bushes? If so how often should it be applied?

Answer:

According to the Suspend SC product label this product is labeled for Japanese beetles and will provide anti-feedant properties on treated ornamentals against Japanese beetles. We do recommend testing any pesticide you choose to use on one plant before treating all of the plants to check for damage. You do want to try to spray the leafy parts of plants while avoiding the blooms as much as possible. Applications should be repeated every 21 days to maintain control.

Answer last updated on: 06/25/2012

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