Rainbow Mix Bloom (1-9-2) is a 100% natural organic fertilizer. A finely tuned, dry blend of natural organic ingredients with multiple strains of beneficial Mycorrhizae plus Humic Acid, all professionally formulated to encourage a profusion of flowers and abundant yields of fruit and vegetables for a variety of indoor and outdoor plants. Apply just prior to and during budding and flowering. Re-apply every 3-4 months. For determinate plants, a single application is the general recommendation. May be used as a premix or applied as a top-dressing. Rainbox Mix Grow and Bloom may be used together.