Phillip writes
Per the Hi Yield 55% Malathion Insecticide Product Label: On Ornamentals to control Birch Leafminer, Boxwood Leafminer, Bagworms, Tent Caterpillar, Azalea Scale, Pine Leaf Scale, and Soft Scale, mix 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: 05/09/2018