What is Snow Mold? How To Get Rid Of Snow Mold?

Helen Skeates
Helen Skeates
9 min read

A tip on how to remove snow mold should be included in your spring cleaning. If you’re worried about seeing fungus following the winter season, this article will put your mind at ease.

When you have cool-season grass like perennial ryegrass, fine or tall fescue, and Kentucky bluegrass, you’re more likely to have a moldy lawn after the snow. When there is a lot of snow, mold might bloom.

What is Snow Mold?

In the spring, once the snow has melted, snow mold, a fungus that causes lawn disease, appears. Pink fungus and gray fungus are both variants of the same fungus.

What Is Snow Mold & How to Remove It - This Old House

It’s most likely to happen if the first big snow falls on still-warm ground. For the remainder of the year, the latent fungus spores have a wonderful place to thrive between the grass and the snow. This is especially dangerous if the temperature in the space between the snow and the ground remains constant over an extended period of time. Snow molds will thrive in the environment.

Some people may develop allergies to snow mold because of its fungal properties, which can cause small areas of grass to die.

How Do I Remove Snow Mold From My Lawn?

If you discover snow mold, it’s too late to save your home. At this time, applying fungicide—special chemicals that kill mold—is useless. A gentle rake can help loosen any matted snow mold grass and speed up soil drying the most.

By waiting until the weather warms up, you’ll be able to see how much grass has been damaged. The roots of your grass will not be killed by gray snow mold, so don’t give up hope. Remove dead grass and re-seed barren patches in regions impacted by pink snow mold.

How Do I Prevent Snow Mold From Growing?

When it comes to dealing with snow mold, the best way to get rid of it is by keeping it from forming in the first place. Before the snow flies, here are some tips for prepping your grass for the winter.

  • Please mow before it gets too cold. In order to prevent the grass and soil from being saturated, cut the lawn a little shorter than usual. You may also want to bag up your lawn clippings so that they don’t keep the ground wet.
  • Preventative fungicides SHOULD be used. Prior to the onset of heavy snowfall, use a solution designed to combat snow mold to your grass if you know it is vulnerable.
  • Don’t forget to dethatch your lawn twice or three times per year. Make sure to keep the thatch layer less than 34″ for different varieties of grass.
  • Don’t neglect your lawn’s drainage system. Fill up any low places with dirt to prevent water from pooling and fostering the growth of snow mold.
  • Fertilize in the spring or early summer, not in the fall. It is easier for mold to grow on dry, dehydrated cool-season grasses throughout the winter months. In the spring, they will re-emerge organically. For best results, wait about six weeks after the first forecasted snowfall before fertilizing.
  • DON’T allow snow or leaves to accumulate. Raking up leaf piles in the fall is a good idea because anything that retains water is harmful for grass. When clearing snow off sidewalks and driveways, avoid piling it up so high that it takes a long time for it to thaw.

The Dangers Of Snow Mold

A snow mold’s name tells you everything you need to know about it. It is a fungus that thrives in the springtime when the snow has melted.

What Is Snow Mold & How Do I Treat It? | Spring-Green

Pink fungus and gray fungus are two typical classifications. In general, the former is considered more dangerous than the latter.

It is most typical for snow mold colonies to develop because of the vast amounts of snow that fall on the ground before they have hardened. Molds can form from the spores that remained throughout the season as a result of this.

Snow molds have a significant impact on the health of those who are exposed to them, as well as having an adverse effect on nearby grass patches. Those with compromised immune systems may experience respiratory difficulties and allergic reactions as a result of exposure to this mold.

Mold-induced symptoms in the body can help you prevent the worst-case situation by alerting you to its presence. Snow mold has its own unique characteristics, which you should be aware of.

Small, yellowish spots with a slimy, cobweb-like appearance are the most common symptoms. It can be pink, white, or gray, for example.

Signs You May Have Snow Mold

Snow mold is an obvious growth. The fungus can be identified by looking for small, straw-colored patches of grass covered in a web-like ooze. Pink (pink, white, or tan) or gray tells you what sort (white or gray).

Asthma flare-ups might also be a sign that something is wrong. If indoor allergies are a persistent source of irritation, consider one of these ten suggestions for easing your symptoms.

This is how to fix a patchy, weedy grass if the problem isn’t snow mold.

How to Treat Snow Mold

The good news is that snow mold typically dies off as temperatures rise. It is at this temperature that gray and pink mold begin to die. Aside from that, there isn’t much of a danger from snow mold.

The quickest way to eliminate it is to:

  1. Keep the grass mowed short as usual to prevent mold growth.
  2. To speed up the drying process, gently sweep over straw-colored circles.
  3. Applying lawn chemicals is unnecessary if the grass is able to repair itself.

This spring, make sure you have everything you’ll need for your grass.

How to Prevent Snow Mold

  • Gray snow mold thrives in long grass, so cut it short before the first snow falls. Use an inch or so less of the final cut of the season than usual (but be careful not to scalp the lawn).
  • Mulch Leaves Into Your Lawn Rather Than Allowing Them to Build Up: A thick layer of leaves provides the perfect breeding ground for snow mold.
  • Snow mold thrives on thatch because it has a lot of room to grow. As a precaution against snow mold, dethatch your grass in the fall if its thatch layer is more than 3/8 of an inch thick.
  • When using nitrogen-rich fertilizer, be careful not to overdo it, since too much of it might lead to snow mold, especially in the fall. Instead, use a slow-release lawn food like Scotts® Turf Builder® WinterGuard® Fall Lawn Food to keep your lawn healthy all season long.
  • You may help prevent the appearance of snow mold in your lawn, which is entirely dependent on winter conditions, by spraying Scotts® DiseaseExTM Lawn Fungicide in the fall, after your final mowing and before any significant snowfall.
  • Snow mold grows when snow is allowed to accumulate. A good rule of thumb is to avoid piling up large amounts of snow on the lawn that will take a long time to melt once it warms up.

How Do I Remove Snow Mold From My Lawn?

If you discover snow mold, it’s too late to save your home. At this time, applying fungicide—special chemicals that kill mold—is useless. A gentle rake can help loosen any matted snow mold grass and speed up soil drying the most.

By waiting until the weather warms up, you’ll be able to see how much grass has been damaged. The roots of your grass will not be killed by gray snow mold, so don’t give up hope. Remove dead grass and re-seed barren patches in regions impacted by pink snow mold.

What is Snow Mold and How to Get Rid of it Safely | Family Handyman

How Do I Prevent Snow Mold From Growing?

When it comes to dealing with snow mold, the best way to get rid of it is by keeping it from forming in the first place. Before the snow flies, here are some tips for prepping your grass for the winter.

  • Please mow before it gets too cold. In order to prevent the grass and soil from being saturated, cut the lawn a little shorter than usual. You may also want to bag up your lawn clippings so that they don’t keep the ground wet.
  • Preventative fungicides SHOULD be used. Prior to the onset of heavy snowfall, use a solution designed to combat snow mold to your grass if you know it is vulnerable.
  • Don’t forget to dethatch your lawn twice or three times per year. Make sure to keep the thatch layer less than 34″ for different varieties of grass.
  • Don’t neglect your lawn’s drainage system. Fill up any low places with dirt to prevent water from pooling and fostering the growth of snow mold.
  • Fertilize in the spring or early summer, not in the fall. It is easier for mold to grow on dry, dehydrated cool-season grasses throughout the winter months. In the spring, they will re-emerge organically. For best results, wait about six weeks after the first forecasted snowfall before fertilizing.
  • DON’T allow snow or leaves to accumulate. Raking up leaf piles in the fall is a good idea because anything that retains water is harmful for grass. When clearing snow off sidewalks and driveways, avoid piling it up so high that it takes a long time for it to thaw.

Conclusion

In the spring, it will be very beneficial to learn how to eliminate snow mold. One good reason is a neat and tidy lawn. However, a more significant factor is a setting conducive to good health.

Helen Skeates

Helen Skeates

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