Potassium bicarbonate soluble powder for control of powdery mildew on roses, vegetables, grapes, fruit trees and ornamentals. Control powdery mildew the organic way. This is like the baking soda Grandma used.
Potassium bicarbonate soluble powder for control of powdery mildew on roses, vegetables, grapes, fruit trees and ornamentals. Control powdery mildew the organic way. This is like the baking soda Grandma used.