BioAdvanced All-In-One Rose and Flower Care Concentrate, 24 oz Net Content, Bottle Container, Spray Application Method Fertilizer - promotes strong roots and beautiful blooms Insect control - Japanese beetles (adult), aphids and other listed pests Disease control - black spot, powdery mildew, rust and southern blight Convenient and easy to use - takes the guesswork out of application No spraying - just measure, mix and pour around plant base Systemic rainproof protection lasts up to 6 weeks 32 oz bottle treats up to 16 rose bushes 64 oz bottle treats up to 32 rose bushes