Soil Moist 3 oz. Water Management Granules are designed to reduce plant watering by absorbing 200 times their weight inwater and releasing a steady supply of water to the plant as needed. They are excellent for annuals and new transplants. These granules are effective in the soil for 3 to 5 years and are ideal for interior and exterior plantings such as trees, shrubs, containers, baskets, flower beds, vegetables, and turf. Soil Moist acts as a form of insurance for the plant and is environmentally friendly.