Marathon Starter Fertilizer
Best balanced fertilizer for establishing new grass and strengthening root systems.
This balanced formula is the ultimate insurance policy for new turf, prioritizing deep root establishment over quick, superficial top growth. It sacrifices the convenience of a specialized seasonal blend for a versatile, all-purpose nutrient profile that works just as well for seeding as it does for reviving tired patches.
$29.99
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Who it's for
- Gardeners seeking a simple, all-in-one nutrient solution
- Landscapers performing seasonal overseeding or spring maintenance
- Homeowners establishing new sod or seeding a fresh lawn
Who should skip it
- Data-driven gardeners who prefer precise, soil-test-based fertilization
- Residents living in areas with strict phosphorus runoff regulations
- Beginners worried about burning delicate, young grass seedlings
Performance breakdown
Root Development
Balanced nutrient profile provides the essential foundation for rapid turf establishment.
Application Versatility
Works effectively for new seeding, sodding, or revitalizing existing lawn patches.
Nutrient Balance
The 15-15-15 ratio offers a reliable, all-purpose boost for young grass.
Coverage Efficiency
Eighteen pounds provides ample coverage for standard residential lawn projects.
Ease of Spread
Granular consistency ensures smooth, even distribution through standard broadcast spreaders.
Seasonal Reliability
Dependable performance during the critical spring and fall growing windows.
Key Specs
NPK Ratio
15-15-15
Package Weight
18 lbs
Coverage Area
5,000 sq. ft.
Application Timing
Spring & Fall
Fertilizer Form
Granular
Target Plant Type
Lawn
Water Soluble
False
Organic Certified
False
Primary Benefit
Root Growth
Application Method
Broadcast
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