GroundKeeper PhosFree is a PREMIUM lawn fertilizer designed for those who want exceptional results without unnecessary phosphorus. Built for established lawns, this high-performance formula delivers deep green colour, strong growth, and improved resilience in any season—spring, summer, or fall.

What makes us better.

23% Nitrogen
Drives vigorous top growth, lush colour, and overall lawn density. Ideal for maintaining a thick, healthy turf.

0% Phosphate
Perfect for established lawns that no longer require phosphorus, helping prevent nutrient runoff while maintaining strong turf performance.

3% Potassium
Supports overall plant health, improving stress tolerance, durability, and resistance to wear and environmental conditions.

17% Sulphur
Benefits of sulphur include:

• Enhanced colour, density, and vigour
• Increased Nitrogen efficiency and uptake
• Improved soil health and nutrient availability
• Greater drought resistance
• Improved winter hardiness
• Decomposition of thatch
• Enhanced disease resistance

3% Iron
Promotes deep green colour through chlorophyll production without excessive growth. Works in balance with nitrogen and sulphur to deliver a rich, healthy lawn appearance.