Designed to supplement your feeding program.
EarthSafe Sul-Po-Mag’s high concentrations of sulfur, magnesium, and potash increase any plant’s vigor and cold hardiness. Also, it unlocks iron in the soil.
N-P-K = 0-0-22
Soluble Potash (K20) – 22.0%
Magnesium (Mg) – 11.0%
Sulfur (S) – 11.0%
Potash, Magnesium, and Sulfur from Sulphate of Potash-Magnesia
Directions: Apply 1/2 to 1 lb. per 100 sq. ft. or 1/2 cup per shrub and work into top soil where possible. Water thoroughly.