SNS-244C Concentrated Natural Fungicide is made from food grade GRAS (generally recognized as safe) materials such as pure Thyme, Clove and Rosemary botanical extracts that kill fungi through a biochemical interaction. SNS-244C Concentrated Natural Fungicide is made from food grade GRAS (generally recognized as safe) materials such as pure Thyme, Clove and Rosemary botanical extracts that kill fungi through a biochemical interaction on the spores while some of its components are also absorbed systemically by the plant, suppressing the life cycle of the fungal spores and nurturing the plant cells to increase the plant's ability to fight the disease. SNS-244C Concentrated Natural Fungicide has been tested on delicate new growth, clones, tomatoes, strawberries, lettuce, spinach, roses, potatoes, citrus, apples and other plants.