Direct answer: Seed needs firm, consistent soil contact and moisture. Dead sod blocks both.
If soil is healthy with earthworms, they'll decompose old sod while new seed establishes. Location matters for timing — cool-season grass planting window is open now.
Removing Sod for New Plantings: Rent a Sod Cutter or Use Roundup (7-Day Residual)
Accidental Weed and Feed Damage to Flower Beds: Why It Happens and What to Expect
Why New Sod Dies Under Oak Trees: Allelopathy, Shade, or Soil Layering?
Fall Seeding Timeline for Zone 3: Rochester, MN Area
Using Year-Old Grass Seed: Viability and Seeding Rate
Preventing Crabgrass Reinvasion in New Sod: The Critical Role of Grass Type and Site Preparation
Overseeding vs. Replacing Sod: Making the Right Choice
Fall Lawn Plan: Identify Weeds, Then Seed or Weed-and-Feed
Choosing the Right Grass Seed for a Large Virginia Lawn: Perennial Ryegrass for Sun & Shade
Protecting New Sod from Dog Damage: Establishment Timeline
Preparing Dead Sod Site for Reseeding
Understanding Weed-and-Feed Timing in Florida and an Organic Sugar Alternative
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