Lawn Academy

Snow Mold

Snow Mold

Typhula Spp / Microdochium Nivale

Snow Mold refers to a group of diseases that occur in cold weather and are favored by now cover.


Prevent snow compaction and try gently raking to loosen any matted grass but in some cases the affected area may never recover.


Maintain regular mowing until dormancy and avoid heavy applications of water-soluble nitrogen in late fall.


  • Gray Snow Mold: Gray patches & web-like Mycelium
  • Pink Snow Mold: White/pink patches & matted leaf blades


  • Snow cover before the ground has completely frozen
  • Wintertime moisture
  • Long grass and debris