Keeping your South Carolina lawn looking its best can take a lot of work. Especially when lawn diseases stand in your way of achieving the perfect yard. Lawn diseases can strike fast. One day your grass can look healthy and normal and the next it’ll look brown and weak. There are many lawn diseases that affect South Carolina yards. We have compiled a list of the most common lawn diseases to help you be able to identify and prevent them.
Dollar spot is an ugly lawn disease that is directly tied to overwatering and poor soil drainage. Areas that are affected by dollar spot will appear as bleached round patches of grass. These embarrassing spots can get bigger and merge with other spots. Symptoms of dollar spot aren’t usually visible until early summer. To prevent the spread of dollar spot you should establish a regular irrigation routine. One that allows for the grass to dry out before night. Dollar spot can affect both warm and cool-season grasses such as Kentucky bluegrass, zoysia grass, Bermudagrass, perennial ryegrass, centipede grass, tall fescue, and fine fescue.
Red is not a color you want your grass to have. Red thread gets its name from the red spores that grow on the blades of affected grass. Red thread tends to affect cool-season grasses such as red fescue, ryegrass, Kentucky bluegrass, and bentgrass. Red thread is most common in areas with lots of rainfall or high humidity in late spring to summer. Red thread is also an indicator that the nitrogen levels in your soil are too low. To prevent red thread use fertilizers that are high in nitrogen. You can also make your grass more disease resistant by overseeding with grasses that are naturally red thread-resistant such as “Bilart” and “Claudia” fine fescues, “Chateau” Kentucky bluegrass, and “Pennant” perennial ryegrass.
Brown patch is a lawn disease that arises when your lawn remains wet for an extended period of time. This can be caused by watering too much, watering too late in the day, or poor drainage due to soil compaction and too much thatch. Grass affected by brown patch will look like round patches of dead or dying grass. Left untreated, brown patch can grow bigger and merge with other patches. These areas can become overtaken by weeds very easily and can take all season to repair. To prevent brown patch try overseeding with different strains of grass and make sure your grass can dry out during the day.
Necrotic Ring Spot
Necrotic ring spot is a devastating disease that lives in the soil. It attacks the roots and crowns of cool-season grasses and can appear as light green spots in your yard. The grass on the outer edge of these spots will begin to die while the grass in the middle remains green. Giving it its ring appearance. The patches will continue to grow and merge with other spots, destroying whole areas if left untreated. It may requiring multiple treatments of fungicide to get necrotic ring spot under control. Combating Fusarium Blight can be a timely and costly endeavor that should be left to the professionals. You can do your part in preventing necrotic ring spot by setting your lawnmower to the highest setting to improve grass survival.
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