Urban Farm Fertilizers Flowers & Blooms, 1 Gallon Hand-crafted, micro-brewed liquid fertilizer for all flowering plants. 3.6-4.0-4.0 NPK. Super-concentrated: 256:1. One gallon makes 256 gals of full strength fertilizer. 100% complete, 100% water soluble, precision formulated and blended. Made from organic components, mycorrhizae, humic acid, kelp, enzymes, and minerals. Calcium and phosphorus rich: critical elements for quantity, size, color, and aroma.