Starter Fertilizer 15-20-10 +Iron
Lawn Synergy
Lawn Synergy 15-20-10 Starter Fertilizer is specially formulated to promote early root development, uniform establishment, and steady growth during the critical first weeks following seeding or sodding.
This product is intended for new lawn installations, overseeding, and turf repair — not for routine maintenance applications.
Why 15-20-10 Is Ideal for Establishment
- 20% Available Phosphate (P₂O₅) to drive aggressive root development
- 15% Total Nitrogen for steady early growth
- 10% Potash (K₂O) to enhance stress tolerance and early vigor
- 4.7% Sulfur to support nutrient availability
This well-balanced nutrient profile gives young turf the foundation it needs when root development is most critical.
Advanced Nitrogen & Micronutrient Package
- 11.2% Ammoniacal Nitrogen for efficient uptake and reduced volatilization
- 3.8% Slowly Available Nitrogen from polymer-coated sulfur-coated urea
- Iron (2.38%) for improved early color
- Boron, Manganese, and Zinc to support overall plant health
- Premium SGN 220 particle size for consistent, even distribution
Together, these components deliver immediate nutritional support alongside controlled, sustained feeding throughout the early establishment period.
Rate: 5 lbs per 1,000 sq ft
NPK: 15-20-10
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