Starter Fertilizer 15-20-10 – (18 lbs.) High Phosphorus Lawn Food for New Grass Seed & Sod – Promotes Fast Root Growth, Stronger Germination & Early Green-Up – Professional Grade Lawn Fertilizer

★★★★★ 4.7 83 reviews

US$20.00
Price when purchased online
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US$20.00
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 225833247 Release Date 2026/05/09 List Price US$20.00 Model Number 225833247
Category
  • Designed for New Lawns & Overseeding – Ideal for starting fresh seed, laying sod, or overseeding thin patches. Encourages germination and deep root growth with a proven 15-20-10 NPK ratio.
  • Includes slow-release XCU nitrogen, ammonium sulfate, iron, and essential micronutrients for steady feeding, early color, and long-lasting growth. Less fillers—more nutrient-dense lawn food.
  • Safe for Seed & Sod: Formulated to be gentle on new seedlings while providing the nutrients they need most. Ideal for new lawn installs, fall overseeding, and spring repairs.
  • Clean, Easy-to-Spread Prill: High-quality granules ensure smooth flow through spreaders and even coverage across the lawn. Professional results made simple for homeowners.
  • 🇺🇸 Professional-Grade Quality, Only from Lawn Synergy – Our proprietary starter blend is used by lawn care pros but only available to homeowners here. Not sold in big box stores.
  • Provides Faster Germination and Seed Development
ASIN B0C8C7C6HH
Coverage Up to 4,500 sq.ft.
Item Form Granules
Brand Name Lawn Synergy
Unit Count 3600.0 Square Feet
Item Weight 18 Pounds
Manufacturer Turf Care Supply
Mixing Ratio 15:20:10
Target Species lawns
Specific Uses For Product Plant Growth, Root Development, Seed Development

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4.7 out of 5
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83 ratings | 34 reviews
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