Large Patch Fungus

So.....you did everything right this year? You fertilized when you were supposed to, you applied the pesticides when it was the right time. You put down the weed and feed....and you are now ready to relax for the winter and wait for next spring times’ yard work.  Uhhh ohhhh....wait a minute...what is all this browning going on in my yard and why is it getting so big, so fast? Well, if you are like most right now...Large Patch Fungus...(previously known as Brown Patch) has been very active in the last few months.

Cool , wet weather is the perfect environment for this fungus to proliferate and start destroying your lawn. What can I do?.... Well first off...weather plays a large part on how big of an impact Large Patch Fungus will have on your lawn. If it should stay cold..and dry..this fungus will tend to be less active. If damp, foggy, warmish weather prevails, then expect the problem to be harder to control.
The extremely wet weather we had the end of the season had many effects on your lawn. Roots sat wet for weeks and weeks and started to rot. Weeds proliferated and herbicides were much less effective because they were often diluted by rainfall after being applied. More water...more weeds, more fungus....Less control.

So what can you do now to control Large Patch Fungus in your lawn?...Unfortunately, you will have to get out your wallet to start with. Fungicides are very expensive per 1000 square feet to apply. Find a good fungicide labeled for Large Patch Fungus...and you will likely need to apply it to most of your lawn. The reason is that although you may only be seeing damage in a few areas, the pathogen is likely present throughout the area...yet not to the point of stressing the turf yet. You can try to treat the affected areas and maybe 10 feet around them...but keep an eye on your entire lawn as you may have to treat it very soon also.

Unfortunately this fungus will damage the plant to the point that it will still look bad even though you may have stopped the fungus. You want to watch the area and see if it gets better after treatment. Often times...it will require an additional application 10 to 14 days later...Follow the label on your fungicide as it will tell you what to do to be successful. Usually as the turf recovers, it will grow the damage out of the turf and you likely may not see this problem again until weather returns to similar conditions. Spring and Fall are typically the worst times for Large Patch Fungus....with Fall usually being the most active season.

Should you have any questions or need any help managing your lawn...feel free to call TLC trusted lawn care at 904-269-TURF (8873).

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