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Tiffany writes

How much Monterey Once A Year Insect Control II do I use to to stop aphids?

I have a red tip photinia hedge about 20 ft long and 6 ft tall.

Answer:

Monterey Once A Year Insect Control II has a mix rate for shrubs of 3 oz. per foot of height. So if it is 6 feet tall you need 18 oz. 

Answer last updated on: 05/07/2021

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