Summer Patch is a disease that primarily affects Kentucky bluegrass. It is caused by the fungus Monochaetia errans. The symptoms of Summer Patch are small, circular patches of dead or dying grass that occur in late summer.
The patches may be up to several feet in diameter and are often surrounded by a ring of yellowing grass. Summer Patch can be controlled through the use of fungicides and by following a proper cultural management program for your lawn.
- Summer Patch is a disease that affects turfgrass, typically appearing as circular patches of dead or dying grass
- The best way to control Summer Patch is to identify the disease early and take steps to prevent it from spreading
- To identify Summer Patch, look for brown or yellow patches of grass that are smaller than a foot in diameter and have a sharply defined edge
- The patches may be slightly sunken and will often appear in areas where the grass is stressed from heat or drought
- Once you’ve identified Summer Patch, the best way to control it is to water your lawn deeply and regularly (about 1 inch per week), especially during periods of hot, dry weather
- You can also fertilize your lawn with a slow-release fertilizer to help promote healthy growth
- If the problem persists, you may need to treat your lawn with a fungicide specifically labeled for Summer Patch control

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How Do You Control Summer Patch?
Summer Patch is a fungal disease that affects Kentucky bluegrass. The fungus lives in the thatch layer of the grass and attacks the turf during hot, wet weather. The symptoms of summer patch are small, circular patches of dead or dying grass.
The patches gradually enlarge and may coalesce to form large areas of affected turf.
To control summer patch, it is important to reduce the amount of thatch in your lawn. This can be done by mowing with a sharp blade and removing clippings, as well as aerating your lawn on a regular basis.
It is also important to water deeply but less frequently, so that the roots grow deep into the soil where they can better access moisture. Finally, using a fungicide specifically designed for summer patch can help to prevent and control this disease.
What Does Summer Patch Look Like on a Lawn?
Summer Patch is a disease that affects turf grass, causing it to turn brown and die. The disease is caused by a fungus called Magnaporthe poae. Summer Patch usually occurs in late summer or early fall, when the weather is warm and humid.
It can affect any type of turf grass, but is most common on Kentucky bluegrass and tall fescue.
Symptoms of Summer Patch include circular patches of dead or dying grass, often surrounded by a ring of green healthy grass. The patches may be small at first, but can quickly spread to cover large areas of the lawn.
The affected grass will have a distinct yellowish or reddish color, and the blades may be curled or matted down. In severe cases, the entire lawn may turn brown and die.
To control Summer Patch, start by watering your lawn deeply and infrequently to promote deep root growth.
Avoid excessive nitrogen fertilizer, which can make the problem worse. If possible, raise the cutting height of your mower to help the grass withstand stress from heat and humidity.
How Do You Control Summer Patch on Putting Greens?
Summer patch is a turfgrass disease that affects both warm-season and cool-season grasses. It is caused by a fungus called Magnaporthe poae. The symptoms of summer patch are circular patches of dead or dying grass in your lawn.
The patches may be up to several feet in diameter and often have a yellow or brownish color. The edges of the patches may be slightly raised, and the center of the patches may be sunken. Summer patch is most common in late summer or early fall, but it can occur anytime during the growing season when conditions are favorable for the fungus to grow.
There are several things you can do to control summer patch on putting greens:
1) Improve drainage – Summer patch thrives in wet, humid conditions. Improving drainage in your lawn will help reduce the amount of time that the turf is exposed to these conditions and make it less hospitable for the fungus.
2) Increase air circulation – Good air circulation also helps reduce humidity and keeps the turf from staying too wet for long periods of time. You can increase air circulation by mowing at a higher height, using a fans or blowers, or aerating your lawn regularly.
3) Use fungicides – Fungicides are chemicals that kill fungi, and they can be effective at controlling summer patch if used correctly.
There are many different types of fungicide available, so be sure to choose one that is specifically labeled for use against Magnaporthe poae.
How Does Summer Patch Spread?
Summer patch is caused by the fungi Monilinia fructicola and Monilinia laxa. These fungi overwinter in infected plant debris, and in the spring they produce spores that are spread by wind and rain to new host plants. The spores germinate on the leaf surface, penetrating the leaf tissue and causing a blight.
The fungus then grows through the leaf, causing brownish-black lesions. Lesions may also form on stems, flowers, and fruit. Summer patch is most common on Kentucky bluegrass, but can also affect other grasses such as ryegrass, tall fescue, bentgrass, and creeping red fescue.
The best way to control summer patch is to maintain a healthy lawn. This means mowing at the proper height for your grass species (3-4 inches for Kentucky bluegrass), watering deeply but infrequently (1-2 inches per week), and fertilizing only when needed (usually 1-2 times per year). If you do have summer patch in your lawn, you can treat it with fungicides containing the active ingredient propiconazole or myclobutanil.
How to Control Summer Patch (4 Easy Steps)
Best Fungicide for Summer Patch
If you’re looking for the best fungicide to combat summer patch, look no further than Bonide’s Fung-onil. This powerful product is specifically designed to control a variety of turfgrass diseases, including summer patch. It’s easy to use, simply mix with water and apply as directed.
And it’s safe for both people and pets. So don’t let summer patch ruin your lawn, grab some Fung-onil and get rid of that fungus once and for all!
How to Treat Summer Patch
Summer Patch is a lawn disease that is caused by a fungus. The symptoms of this disease include brown patches on the lawn that are about 2-3 inches in diameter. These patches will usually appear in the spring or summer months.
Summer Patch can be treated with fungicides, but it is important to identify the type of fungus that is causing the disease so that the correct fungicide can be used. There are also cultural practices that can be used to prevent Summer Patch, such as watering deeply and infrequently, maintaining a proper mowing height, and aerating the lawn.
Summer Patch Vs Brown Patch
If you’re a lawn enthusiast, you know that there are many different types of grass problems that can plague your perfect green space. One such problem is known as brown patch or summer patch, and it’s important to understand the difference between these two issues in order to effectively treat them.
Brown Patch:
Brown patch is a type of turfgrass disease that is caused by a variety of fungi. It typically occurs during warm, humid weather conditions and results in large patches of brown grass. The affected area may be circular or irregular in shape and can range in size from a few inches to several feet.
Brown patch is most commonly seen on Bermuda grass, but can also affect other types of turfgrass including St. Augustine, centipede, and zoysia.
Summer Patch:
Summer patch is another type of turfgrass disease that is caused by fungi.
Unlike brown patch which affects mostly Bermuda grasses, summer patch primarily affects Kentucky bluegrasses. Summerpatch gets its name from the fact that it often first appears during the summer months (hence the name), but it can actually occur at any time of year when conditions are favorable for fungal growth (i.e., prolonged periods of wetness followed by hot, dry weather). Summer patch generally results in small patches of thinning or dead grass which may eventually coalesce to form larger areas of damage.
Summer Patch Fungicide
Summer patch is a type of turfgrass fungal disease that primarily affects Kentucky bluegrass and annual bluegrass. The pathogen that causes summer patch, Magnaporthe poae, thrives in hot and humid conditions – which are common during the late spring and summer months in many parts of the United States. Summer patch symptoms first appear as small, circular patches of wilted or yellowing grass.
These patches eventually expand and coalesce, resulting in large areas of thin or dead turf.
There are several cultural practices that can help prevent summer patch outbreaks, including:
1) Mowing at the proper height – taller mowing heights (3 inches or more) can help increase turfgrass density, which makes it more resistant to diseases like summer patch.
2) Watering deeply and less frequently – this helps encourage deeper root growth, which again increases turfgrass density and resistance to disease.
3) Avoiding excessive nitrogen fertilizer applications – too much nitrogen can actually promote disease development by increasing thatch levels and weakening grass plants.
4) Improving drainage – poorly drained soils are more conducive to fungal growth.
Aerating compacted soils and installing drainage tile can help improve drainage in problem areas.
Summer Patch Kentucky Bluegrass
If you have a lawn in Kentucky, chances are it’s made up of Kentucky bluegrass. This grass is common in the state because it’s well-suited to the climate and soil. It’s also relatively easy to care for, which makes it a popular choice for homeowners.
However, even though Kentucky bluegrass is a tough grass, it’s not immune to problems. One of the most common issues is summer patch. This fungal disease affects the roots of the grass, causing brown patches to form on the lawn.
The patches can be small or large, and they’re often circular in shape.
Summer patch is most common during hot, humid weather – which isn’t surprising given that it gets its name from the fact that it typically appears in late summer. The fungus that causes the disease thrives in these conditions and can quickly kill off patches of grass if left untreated.
Fortunately, there are some things you can do to prevent or treat summer patch. First, make sure that your lawn is getting enough water. The fungus loves dry conditions, so keeping your lawn hydrated will help discourage its growth.
Second, aerate your lawn regularly to improve drainage and reduce compaction – both of which make it harder for the roots to get the oxygen and nutrients they need to stay healthy. Finally, if you do notice any brown patches forming on your lawn, treat them immediately with a fungicide designed for summer patch control.
Summer Patch Causes
Summer patch is a type of turfgrass disease that is caused by the soil-borne fungus, Magnaporthe poae. This fungus affects Kentucky bluegrass, tall fescue, and perennial ryegrass. The disease is most active in hot, humid weather and can cause extensive damage to lawns.
Symptoms of summer patch include circular patches of yellowing or dying grass. The patches range in size from a few inches to several feet in diameter. They often have a dead or dying appearance and may be surrounded by a ring of green grass.
The best way to control summer patch is to prevent it from happening in the first place. This can be done by ensuring that your lawn has good drainage and keeping it well-watered during hot, dry periods. If you do notice symptoms of the disease, water deeply and regularly to keep the grass roots moist.
You may also need to apply a fungicide specifically designed for summer patch control.
Summer Patch Turf Disease
Summer Patch is a turfgrass disease that affects all types of turfgrasses, but is most common in Kentucky bluegrass. It is caused by a soil-borne fungus called Magnaporthe poae. This fungus survives in the soil as small, dark brown to black lesions on the roots and rhizomes of turfgrasses.
The lesions can be up to 1/4 inch in diameter and produce long, thin strands of mycelium (the vegetative part of the fungus). The fungi produces sporodochia, which are clusters of spores that are spread by wind and water.
The primary symptom of Summer Patch is large, circular patches of dead or dying grass that range in size from 12 inches to several feet in diameter.
The patches are often surrounded by a ring of yellowing grass. The symptoms usually appear first in late June or early July when temperatures are warm and humid. They may worsen during periods of extended wet weather or if the lawn is heavily fertilized with nitrogen.
Summer Patch St Augustine
If you’re like most homeowners, you want your lawn to look its best all year long. But sometimes, despite your best efforts, things just don’t go as planned. Take summer patch, for example.
This fungal disease can wreak havoc on your St. Augustine grass, leaving unsightly brown patches in its wake.
So what is summer patch and how can you prevent it? Read on to find out.
What is Summer Patch?
Summer patch is a fungal disease that affects St. Augustine grass (Stenotaphrum secundatum). The fungus thrives in hot, humid weather and attacks the grass’s root system, causing the grass to turn brown and die.
Summer patch is most common in late summer or early fall when temperatures are at their highest and humidity levels are high.
Symptoms of Summer Patch
The first symptom of summer patch is usually small, round patches of dead or dying grass that measure 2-3 feet in diameter.
These patches gradually increase in size as the disease progresses and can eventually kill large areas of turfgrass if left untreated. The fungi responsible for summer patch are often found in soils with a high clay content or that are poorly drained.
Conclusion
Summer patch is a serious lawn disease that can be difficult to control. This blog post will teach you how to identify summer patch and offer some tips on controlling it. Summer patch appears as large, brown patches of dead grass in your lawn.
It is caused by a fungus that lives in the soil and thrives in warm, wet conditions. The best way to control summer patch is to prevent it from happening in the first place. You can do this by maintaining a healthy lawn and keeping your grass well-watered during dry periods.
If you already have summer patch, you can try treating it with fungicides or hiring a professional lawn care company to help you get rid of it.