Alaska Fish Fertilizer provides a rich source of organic matter that breaks down and releases nutrients into the soil to enhance the strength and vigor of your plants. Additionally, naturally occurring soil microbes thrive and work their best in soil that is rich in organic matter. For use on all indoor and outdoor plants. Works best on vegetable gardens, perennials, shrubs, and trees. Natural, organic-based fish fertilizer is deodorized with natural wintergreen. NPK 5-1-1 mix will not burn plants. Apply every three weeks during the growing season.