At this point, the colors of pink snow mold will be the most vivid. This lawn disease usually appears in the spring, as the snow melts and reveals the disease that has been thriving underneath. Both Pink and Gray Snow Mold are capable of invisibly surviving the summer in the form of fungal spores to appear again the next spring. Pink Snow Mold harms turfgrass by attacking the roots and the crowns of the grass, which does longer-lasting damage to your lawn. Both types of Snow Mold occur when heat and moisture become trapped beneath a layer of snow, creating ideal conditions for the fungus to grow in. The other type, called Gray Snow Mold or Typhula Blight, often occurs in conjunction with the pink variety and is less harmful to turfgrasses. Pink Snow Mold is a fungal lawn disease caused by the fungus Microdochium nivale. Primary Grass Affected: Almost all cool season turfgrasses, including Ryegrasses, Annual Bluegrass, and Kentucky Bluegrassīrief Description: Pale, matted circular patches several inches in diameter, with pinkish, salmon-colored or rust-colored edges. Common Names: Microdochium Patch, Fusarium Patch
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