Pink Snow Mold

Pathogen: Microdochium nivale

Identification

Symptoms

  • Circular patches after snow or cool wet conditions
  • Pink or salmon mycelium may appear
  • Can damage crowns under prolonged pressure
Season
Jan, Feb, Mar, Nov, Dec
Regions
Pacific Northwest, Northeast, Midwest, Mountain West
Turf Hosts
Bentgrass, Annual Bluegrass, Kentucky Bluegrass, Fine Fescue

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This is identification help, not a diagnosis. Symptoms described here can overlap between diseases and other causes (drought, wear, nutrient deficiency). When you're not sure, or before applying any treatment, contact your state's Cooperative Extension office - most offer free or low-cost diagnosis and know your local conditions best.