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Sandra from Chicago, Il writes

How often do you spray the Hi-Yield 55% Malathion Insecticide Spray for bugs that are eating my boxwood shrubs?


For the Boxwood Leafminer, the Hi-Yield 55% Malathion Insecticide Spray is to be mixed at 2 teaspoons per gallon of water and spray thoroughly. The minimum application interval is 10 days. Do not apply more than 2 times per year.

Answer last updated on: 07/26/2017

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