NutriStar 10-4-12 Hibiscus Food

NutriStar For Tropical and Perennial Hibiscus is a higher potassium fertilizer that is essential for good Hibiscus health and bloom. This formula contains potassium nitrate, ureaform, monoammonium phosphate, ammonium sulfate, activated sludge, potassium sulfate, cottonseed meal, ferrous sulfate, magnesium sulfate, calcium sulfate, sulfur, zinc sulfate, manganese sulfate, copper sulfate iron oxysulfate, magnesium oxide.