There’s nothing more beautiful than healthy green grass, so it can be disheartening to see brown patches begin to form on your lawn. What are these brown spots? How can you get rid of them? Here’s what you need to know according to the Denver landscape maintenance pros at My Landscaper:
What causes brown patches to form?
Brown patches are typically caused by a fungus called Rhizoctonia, which is most active during the hot and humid summer months. Rhizoctonia can survive during the winter months, but it usually won’t cause noticeable damage until the temperatures begin to rise in the summer. What are the brown patches on my grass
What do the brown patches look like?
This type of fungi will spread quickly through your lawn, so it’s important to pay close attention to your grass so you can spot the early signs of it. In the early stages, you should notice circular areas of grass that have turned brown and died. The outer part of the circle may be slightly darker than the rest of the patch.
These patches are more visible in the early morning hours, so if you can, try to examine your grass when you go to get the paper or take your dog outside. Once the first brown patch appears, it won’t be long until it becomes bigger and begins to spread to other areas of your lawn. If the problem goes untreated, the large circles may eventually begin to blend together and create irregular shapes scattered across your lawn.
What should you do if you spot brown patches?
Rhizoctonia is the most common cause of brown patches, but there are several other factors that could also cause your grass to turn brown. As a result, it’s best to contact a landscaping professional to take a look at your lawn and confirm that it’s actually this fungus.
A landscaping professional will be able to treat your lawn with fungicides that are designed to eliminate Rhizoctonia. These fungicides are sold at hardware stores, but it’s recommended that you let a professional apply them to your lawn. If you don’t apply the fungicides properly, it’s possible that you could do more harm than good.
Once you spot brown patches, it’s imperative that you adjust your water schedule to control the growth of the fungus. Don’t overwater your lawn and try to only turn the sprinklers on in the early morning hours. Mowing your lawn can also cause the disease to spread. If you have to cut your grass, mow the diseased areas last and then thoroughly clean the blades on your lawn mower.
There are also certain fertilizers that can make this problem worse. If you use fertilizer in your yard, make sure it is one with slow release nitrogen and slow release potassium.
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