Garden Beds: Mix into the top 4 inches of soil at a rate of 5 lbs. per 100 square feet (or one cup per 7 square feet).
Flowers and Vegetables: Apply 2.5 tablespoons per plant.
Trees and shrubs: Apply one cup per foot of branch diameter around the drip line. Double the rate if the diameter is larger than 3 feet.
Potted plants: For new plants. Mix 2 cups per cubic foot of soil (1.5 tablespoons per quart). For established plants. Sprinkle 1 teaspoon per 3 inches of pot diameter into the soil around the outer edge of the pot. Water thoroughly.