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Charlie from Livingston, Tx writes

Can I safely spray Hi-Yield 55% Malathion Insecticide Spray concentrate on knock out roses?

We have tent caterpillers (ms) every year at this time..Can I spray my roses safely?

Answer:

Hi-Yield 55% Malathion Insecticide Spray is not labeled specifically for use on roses. We would recommend avoiding spraying the flowers themselves, or you could choose a product that is specifically labeled for use on roses and other flowers. Bonide Systemic Insect Control would be a good choice for long-term systemic control, and Hi-Yield Thuricide Concentrate is a great choice for contact kill.

Answer last updated on: 03/29/2016

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