Starter Fertilizer 15-20-10

Don’t Just Plant Seed—Give It What It Needs to Grow When you plant new grass, the biggest challenge isn’t just getting it to sprout—it’s getting it to establish strong roots. Starter fertilizer is designed specifically for new seed or sod, with higher phosphorus to help roots develop quickly and absorb nutrients more efficiently.  Without it, your lawn may come in thinner, slower, and less resilient. Lawn Synergy 15-20-10 Starter Fertilizer is specifically formulated to support early root development, uniform establishment, and steady growth during the critical first weeks after seeding or sodding. Not All Starter Fertilizers Are the Same 15-20-10 Formula - High phosphorus for faster root development Slow-Release Nitrogen - Feeds longer for continuous growth.   Micronutrients - Darker green color with iron and needed nutrients. This balanced nutrient profile supports young turf when root development matters most. Why Starter Fertilizer Matters Without Starter Fertilizer, New gra