Safer® brand garden fungicide controls and prevents fungal diseases in plants, including powdery mildew, black spot, leaf spot and rust, once sprayed, garden fungicide creates an environment that is not optimal for these diseases to grow and spread, therefore stopping the attack on plants, protect your flowers, foliage, ornamentals, vegetables and fruit up until the day before harvest, this convenient ready-to-use spray is OMRI Listed® and compliant for use in organic gardening, allowing you a to work on your organic garden without worry about these diseases and fungi.