Starter Fertilizer 15-20-10 +Iron

Lawn Synergy's 15-20-10 Starter Fertilizer isn’t just good—it’s the best you can buy for new seed, sod, or overseeding. Engineered with pro-grade ingredients and exclusive bio-technology, it gives your lawn everything it needs to root deep, grow fast, and explode with color—starting from day one. Why It Works So Well 15-20-10 Nutrient Ratio: The perfect balance of nitrogen, phosphorus, and potassium for rapid seed germination, deep root development, and thick turf establishment. 50% XCU Slow-release: Don’t let your nitrogen go to waste. XCU coated nitrogen continues to feed your lawn for 8-10 weeks, so your lawn absorbs more, stays greener longer, and grows stronger faster. NuTrace Technology: Micro-nutrients are sprayed on every pearl maximizing even distribution within the lawn.   Iron + Ammoniacal Nitrogen: Supercharge your lawn with a deep, dark green color that homeowners and pros chase all season long. Humic Acid & Soil Amendments: We packed in rich humic acid, and Phas