What Is Triple Superphosphate (0-46-0)?
Triple superphosphate is the most concentrated phosphorus fertilizer available at 46% P2O5. Used for root development, flowering, seed formation, and correcting phosphorus-deficient soils. Apply 2.2 lbs per 1,000 sq ft for 1 lb of phosphorus. Mix into soil, surface application is ineffective. Non-burning and long-lasting. Restricted in some states near waterways due to phosphorus pollution concerns in lakes and rivers.
What You Need to Know
Triple superphosphate is the most concentrated phosphorus fertilizer available at 46% P2O5. Used for root development, flowering, seed formation, and correcting phosphorus-deficient soils. Apply 2.2 lbs per 1,000 sq ft for 1 lb of phosphorus
Mix into soil, surface application is ineffective. Non-burning and long-lasting. Restricted in some states near waterways due to phosphorus pollution concerns in lakes and rivers.
For personalized recommendations based on your specific garden size and fertilizer, use our fertilizer calculator.
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