Substral® Miracle-Gro® 100% water-soluble powdered mineral fertilizer for fertilizing rhododendrons and other acid-loving plants (heathers, blueberries, hydrangeas, hostas, magnolias, etc.) through their roots and leaves. Ensures long-lasting, abundant flowering, fruiting, and timely woody growth. Sufficient amounts of iron and magnesium in the fertilizer ensure a beautiful green color in evergreen foliage. Helps maintain the soil’s necessary acidity.
Concentrate: 350–700 L for preparing a fertilizer solution.
Usage: with each watering: from April through October. 1 tsp = 5 g
Via the roots: 10 g per 10 L or 1 g per 1 L of water.
Foliar application: 5 g per 10 L or ½ g per 1 L of water.
NOTE! A light residue may remain on the leaves. Do not spray in bright sunlight. Avoid getting fertilizer on the flowers.
Composition: Total nitrogen (N) 20%, including 4.5% nitrate nitrogen, 2.4% ammonium nitrogen, 13.1% urea nitrogen; citrate and water-soluble phosphorus pentoxide (P₂O₅) 20%, water-soluble potassium oxide (K₂O) 20%. Water-soluble boron (B) 0.02%; copper (Cu) 0.015%; iron (Fe) 0.12%; manganese (Mn) 0.06%; molybdenum (Mo) 0.010%; zinc (Zn) 0.015%. Fe as DTPA and Cu, Mn, Zn as EDTA chelates. EC FERTILIZER. NPK fertilizer. N:P₂O₅:K₂O 20:20:20 + micronutrients.
Handling and Storage: Keep tightly closed in the original packaging, in a dry, cool place, protected from direct sunlight, and out of the reach of children and animals. If the fertilizer comes into contact with the eyes, rinse thoroughly with water. If swallowed, seek medical attention if necessary. Manufactured: see packaging. There is no expiration or usage date.