Jack’s Classic Blossom Booster 10-30-20 is a formula designed for use on any flowering indoor or outdoor plant. Using this fertilizer, blooms are more intense, fuller, and more prolific. This package includes a bag of blue dyed fertilizer, measuring cup, and paper instructions. For best results, apply every 7 to 14 days, just like a thorough watering. Use during period of bud set to increase the number and size of blooms. Recommended dose is 1 Tablespoon per gallon of water for outdoor plants. Recommended dose for houseplants is 1/2 Teaspoon per gallon of water every other week or 1/4 Teaspoon per gallon every time you water the plants.