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Hello neighbors!
With the recent stretch of hot and humid weather, you might be noticing some unusual spots, colors, or textures showing up in your lawn. While it’s easy to blame insects or drought, you could be looking at a common turfgrass fungus.
Fungi are a natural part of any lawn's ecosystem, but under the right conditions—like the heat and humidity we’ve been experiencing—they can multiply and become visible, causing aesthetic damage or, in some cases, serious harm to your turf.
These fungi primarily affect the blades of the grass, not the crown or the roots. While they can look alarming, they rarely kill the grass and can often be managed with good cultural practices.
If you see irregular, pinkish-red patches on your lawn, you might have Red Thread. Upon closer inspection, you'll notice red, thread-like strands extending from the tips of the grass blades.
What it is: A foliar disease that is most common in the cool, wet weather of spring and fall.
Threat Level: Low. According to the University of Minnesota Extension, Red Thread is a cosmetic issue and does not harm the roots or crown of the plant. Lawns typically recover.
Key Cause: A primary cause is low nitrogen fertility. If your lawn is under-fertilized, it's more susceptible.
Treatment: The best control is proper fertilization. A balanced fertility program usually ...
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