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Roundup on Dormant Bermuda: Risky After Mid-Winter

Only in January, when Bermuda is fully dormant, might glyphosate be safe. Any green tissue—even tiny stolon tips—will die, leaving dead spots for months. Below zone 6–7, it's too risky. Use 2,4-D or other post-emergent for early weeds instead.

Lawns: Bermuda Pasture Leaf Death After Fertilizing: Fertilizer Burn or Drought?; Overseeding Bermuda with St. Augustine or Zoysia: Not Effective; Mowing Dormant Grass in New Jersey: Yes, One Final Cut Helps; Bermuda vs. Kikuyu Grass Competition; Transitioning to Organic Lawn and Landscape Care in North Carolina; Dealing with Invasive Wild Bermudagrass (Wiregrass) in a St. Augustine Lawn; Bermuda Grass in Virginia: Transition to Cool-Season Grass or Overseed?; Choosing Between Bermuda and Fescue for New Mexico Lawns; Mixing Grasses: Why Bermuda Doesn't Blend, But Tall Fescue Does; Selective Herbicide for Bermuda Grass in Centipede Lawn

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