Advice from experts to address this issue

Advice from experts to address this issue

Snow mold is a fungal problem that affects lawns in cold weather. It gets its name from its tendency to develop under a layer of snow on top of the lawn, appearing only when the snow begins to melt.

It is a common grass disease that can affect any grass, and is caused by lack of air circulation and a damp environment found under a cover of snow or wet leaves. They will appear as patches of matted and dying grass once the snow melts, but they are easily treated.

Fortunately, good lawn care practices are also a great preventative tool against the problem. We take a closer look at the symptoms of snow mold and what can be done to prevent or treat it as part of your winter garden care.

Snow mold is caused by a fungus that is active during cold weather

(Image credit: Getty Images/Tunatura)

What is ice mold?

There are two culprits when it comes to snow mold. Pink ice mold is known as Microdocium patchalso known as Fusarium patchwhile also called gray snow mold Typhoid blight. While gray snow mold usually only affects grass blades, pink snow mold has the ability to kill the crown and roots of turf.

Melting snow on grass in winter

Snow mold damage shows itself once the snow melts

(Image credit: Getty Images/beeeepx)

What does snow mold look like on grass?

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