Lawn Diseases

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Lawn Diseases Found in Minnesota

Knowing the signs early can help prevent further damage to your lawn. Here’s a list of the most common lawn diseases we see at Showcase Lawn Care.

Leaf Spot

Leaf spot is a name given to a number of different fungal organisms. Symptoms appear as circular brown lesions on the blades of your grass. If the disease isn’t treated, the blades will start to yellow and wilt, giving it the appearance of drought stress. Homeowners often make the mistake of watering their grass to bring it back but that might make the issue even worse and cause it to spread. During the summer the disease will spread to the crowns and roots of your grass, killing large portions of your turf which will be very expensive to repair. If you suspect lead spot is affecting your grass, call the pros at Showcase Lawn Care.

Dollar Spot

Appearing as a white or bleached grass about the size of a silver dollar, dollar spot occurs most often in spring and summer. As they grow, they will merge and form bigger spots that eventually kill your grass, leaving you with patches of dirt all over your yard. Dollar spot prefers high humidity, wet grass, and temperatures above 70 degrees. If dollar spot is present, bag and dispose of all mower clippings so as not to spread the disease and call Showcase Lawn Care immediately.

Red Thread

Red thread usually occurs in the cool, moist conditions of spring and fall. The disease affects ryegrass, bentgrass, bluegrass, and fine fescue. It appears as red to pink web-like threads that will kill your grass if action is not taken. The disease can be prevented by watering early and letting your grass dry out before the cooler temperatures of night arrive.

Snow Mold

There’s a good reason to rake your lawn in the fall, and it’s to prevent snow mold. Snow mold grows under piles of leaves and other debris. When spring arrives, you’ll notice a web-like substance on your grass. Luckily, the condition usually clears up after raking it and letting it dry out.

Fusarium Blight

Fusaruim, also called pink snow mold, is most prevalent during hot, humid conditions when the grass is under drought stress. Affected turf will appear as light green round patches 2 to 6 inches in diameter. As temperatures increase, the affected grass changes from light green to reddish brown and finally to a dead straw color. Fusarium infects a number of cool-season grasses but is most damaging to Kentucky bluegrass.

Necrotic Ring Spot

Necrotic ring spot usually infects cool season grasses such as Kentucky bluegrass in the spring or fall. The disease attacks the crowns and roots of the plant which can weaken your turf’s resistance to other diseases. The first signs of necrotic ring spot are the appearance of light green to straw-colored spots in the lawn that can be several inches to several feet in diameter.

Call the lawn disease experts

Those who know us, know that we can handle any lawn disease your yard faces. We’ve seen it all and we know how to treat it. Call today or fill out our contact form for a free estimate.

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