Protene Performance Spring Fertilizer is a granular fertilizer that is designed to help lawns and turfgrasses grow strong and healthy during the spring months. It contains a balanced blend of nitrogen, phosphorus, and potassium, as well as other essential nutrients, to promote vigorous growth and deep green color. It also utilizes a proprietorially unique homogeneous granular technology that helps ensure all essential nutrients are made available over a 90-day period.