Snow Mold

Pink and gray snow mold are among the most invasive turf diseases in Canada, affecting cool-season grasses and developing when cold temperatures are accompanied with excess moisture.

These funguses present on turf as gray or pink matted circular patches. Gray snow mold typically affects grass blades only, while pink snow mold is much more severe, killing both the blade and root of the plant.

The key to ultimate snow mold control is taking preventative action in the fall before cold weather and heavy snowfall trap moisture on the turf.

For best results, use a combination of cultural and chemical methods in the fall to prevent snow mold damage, including:

  • Keeping your turf from matting
  • Mowing regularly, especially in the weeks leading up to the first major snowfall of the season
  • Avoiding the use of nitrogen-based fertilizers within six weeks of expected snow
  • Using snow fences to deter the formation of drifts as the excess moisture caused by drifts will encourage the funguses to develop
  • Speeding up the drying process by raking matted grass and fertilizing damaged areas.
  • PENDANT™ PRO SE

    Fungicide

    Controls the top 12 diseases affecting cool season turf and should be the foundation of your snow mould management strategy.

  • Chlorothalonil 720F

    Fungicide

    An economical, cost-effective, broad-spectrum disease control for grasses and labeled trees, shrubs and flowers.

  • PENDANT™ 50 WDG

    Fungicide

    A flexible tank mix partner that has shown excellent performance even after 150+ days of snow cover, helping you maximize efficacy and investment in your snow mold management program.

  • Propiconazole 14.3 ME

    Fungicide

    Can be used at low rates to offer effective control over stubborn turf grass diseases with protective, curative and eradicant properties for long-lasting results.


More Info on Snow Mold

  • Controlling Pink and Grey Snow Mold in Turfgrasses

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