- Professional formular used by commercial nurseries now available in convenient sizes of 1lb., 3lb., 5lb., & 10lb.
- Similar to the “MSU Magic Fertilizer,” with added Calcium and Magnesium to help grow vigorous strong healthy plants.
- Provides the vital micronutrients necessary for healthy plant growth to produce vibrant blooms.
- Easy to adjust strength based on the seasonal needs of your plants. Application rates included on packaging.
- NEW FORMULAR with Black Iron. Re-packaged weekly to convenient sizes. Get just what you need.
Peters Excel 15-5-15 Cal-Mag Special w/ black Iron is the best fertilizer for your orchids with balanced N & K, low P, added calcium and magnesium along with key micronutrients. Also great for roses, bromeliads, lilies, all potted and landscape plants. GUARANTEED ANALYSIS: Total Nitrogen (N) . . . . 15.0% 1.4% Ammoniacal Nitrogen 11.6% Nitrate Nitrogen 2.0% Urea Nitrogen Available Phosphate (P2O5) . . 5.0% Soluble Potash (K20) . . . . 15.0% Calcium (Ca) . . . . 5.0% Magnesium (Mg) . . . . 2.0% Boron (B) . . . . 0.0187% Copper (Cu) . . . . 0.0187% Iron (Fe) . . . . 0.75% Manganese (Mn) . . . . . 0.0375% Molybdenum (Mo) . . . . 0.0075% Zinc (Zn) . . . . 0.0375%
