Botanic Garden >> Gardening > >> Question and Answer >> Lawns

Yellow Streaks on New Lawn: Slime Mold or Rust, Not Fungicide Target

Yellow deposit on blades (not yellow blades) = slime mold (harmless, no treatment) or rust disease (yellow-orange powder, treatable). Cool wet summer favors both. ID before acting.

Lawns: Yellow Lawn After Double Weed & Feed + High Nitrogen: Chemical Stress; Why Mowing Benefits Your Lawn Beyond Appearance; Preventing Dog Urine Damage on New Turf; Diagnosing Unusual Lawn Fungi in Cool Climates: When to Seek Expert Identification; What Kills Beneficial Fungi? Fertilizers, Fungicides, and Lawn Yellowing; Identifying Yellow Spots in Nevada Lawns: Melting-Out Disease vs. Insects; New Grass Turning Yellow After Scotts Application: Fungus from Chemical Disruption; Renovating a "Wild Grass" Lawn: Complete Reset with Modern Turf Varieties; Lawn Rust Disease: Why Your Grass Turns Orange-Yellow in Late Summer; Managing Mycelium Fungus and Mushrooms in Lawn

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