Peter says: Mix this into the soil when planting. Slowly releases nutrients all season. A must for all containers! Suggested Applicator Rates: Incorporation in soil and as a side dressing on hanging baskets, flower beds, rose beds, vegetable gardens as side dressing, under shrubs and trees. Use approximately 1 to 2 lbs per 100 square feet. If used in potted plants eg. Begonias, Geraniums, Salvia, Fuchsias, Petunias, Impatiens and Ageratum. Standard 4" pot - use 1/4 tsp. Standard 5" pot - use 1/2 tsp. Standard 6" pot - use 1 light tsp. 1 gallon pot - use 1 tsp. 5 gallon can - 2 tbsp. For garden and flower beds: 1-2 lbs per 100 square feet as broadcasted or see pot application above. For shrub maintenance: 1-2 lbs per 100 square feet, 2 times per year - in spring 2 t 4 weeks after flowers reach peak bloom and also late fall about the time deciduous trees lose their leaves.