Provides a slow release form of natural Phosphorus to help plant produce sturdy root systems, hastens maturity and stimulates plant growth. For use on bulbs, Roses, flowers and shrubs. Excellent for vegetable gardens. Application Rates: •Beds: 5 to 7 lbs. per 100 sq. ft. •Bulbs: 1/2 to 2 teaspoons per bulb depending on size, placed 2 inches below bulb.