For trees, mix 0.5 ounces per 1 inch of distance around the tree (circumference), and place this amount in 1 gallon of water. Pour this solution on the soil around the base of the tree or shrub.
For shrubs, use 1.5 ounces per 1 foot of height mixed in 1 gallon of water. Pour this solution on the soil around the base of the tree or shrub.