10-54-10. Promotes rapid blooming of all flowering & fruiting plants. Feeds through roots & leaves. Easy-to-measure spoon inside. Use less! Schultz is specially formulated for outstanding effectiveness when used in very small amounts on all plants including acid-loving varieties. Therefore, we recommended using less than other major brands. Safe - Will not burn even in hottest weather when used as directed. Nature feeds plants every time it rains, dissolving nutrients and distributing them evenly to all blooming plants. You can do the same every time you water, feeding with Bloom Plus Water Soluble Plant Food. This concentrate is buffered by a special process to grow all blooming and fruiting plants including: Blooming houseplants; Flowering shrubs; Flowers; Bulbs; Roses; Geraniums; Tomatoes; Perennials; Vegetables; Azaleas; Impatiens; Fruit trees; Hydrangeas; Evergreens. When applied as directed, this product meets the guidelines for metals adopted by the Association of American Plant Food Control Officials.