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Balancing Spring Overseeding and Crabgrass Prevention

Central WI, seeded Sept 2008, starter fertilizer half rate, Roundup pre-treatment. Mid Oct other half fertilizer, some burn. Spring: overseed thin areas or apply crabgrass preventer? The expert says if thin not bare, fertilize with crabgrass preventer + fertilizer; food thickens lawn, preventer stops crabgrass. Practice spreader with pelletized lime first.

Lawns: Weed & Feed Killed New Seed: Wait 3+ Weeks Before Reseeding; Overseeding a Large Mature Lawn: Fertilizer First or Seed First?; Dillo Dirt on St. Augustine: Scorch Patches Likely Heat Stress; Seeding After Crabgrass Preventer: Patch vs. Full Lawn; Overseeding a Weedy Lawn: Cover Seed, Skip Chemical Starter Fertilizer; Recovering a Lawn Killed by 2,4-D and Clover Killer; Identifying "Pos Pollen" Grass: It's Seashore Paspalum; Organic Grub Control: Nematodes and Soil Health Over Chemicals; Overseeding Fescue and Controlling Crabgrass on Long Island; Overseeding a Year-Old Sod Lawn in Kansas City: Timing and Technique

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