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.
• ALL-N Stabilized Nitrogen: Don’t let your nitrogen go to waste. Our exclusive inhibitor reduces nitrogen loss by up to 57%, so your lawn absorbs more, stays greener longer, and grows stronger faster.
• AMP-XC Biocatalyst Technology: This powerful microbial + enzyme combo boosts nutrient uptake by 30%—delivering healthier growth, stress resistance, and deeper roots.
• Iron + Ammonium Nitrogen: Supercharge your lawn with a deep, dark green color that homeowners and pros chase all season long.
• Organic Biosolids: We packed in rich organics to energize your soil microbes and create a living soil that thrives from the roots up.

Only From Lawn Synergy

This fertilizer is not sold in big box stores—you can only get it here. It’s the same premium-grade formula used by pros on elite properties, now available to you for your home lawn.

Choose Your Size

• 18 lb: Perfect for small yards or targeted seeding
• 25 lb: Best for average-sized lawns
• 50 lb: Maximum value for full-lawn coverage or big jobs

Results You Can Expect

• Faster germination and establishment
• Stronger, deeper roots
• Rich, dark green color in days
• Resilient turf that resists drought and disease

Don’t settle for average—go with the starter fertilizer that delivers real results. Order Lawn Synergy 15-20-10 Starter today and give your lawn the head start it deserves.