Patrick Exterminating Lawn and Termite Supervisor Steve Cooper discusses some of the many diseases that can affect St. Augustine lawns, such as large patch, brown patch, leaf lesions and take-all root rot.

Many different diseases can affect lawns in Florida, including rust, brown patch, take-all root rot, and several different types of leaf spots. Keep an eye on the overall quality of your lawn. If discolored areas appear, this may be a sign of disease. However, brown or yellow areas can also be caused by other factors like drought or cold damage. Don’t apply any chemicals unless you know what’s really going on. Give us a call at 772-286-6812 and we would be happy to provide a no-obligation lawn inspection.


Large Patch Disease

Large patch disease St. Augustine grass

Large patch is a fungal disease that can affect zoysia grass and St. Augustine grass lawns. It shows up as round, discolored patches that expand over time. The borders of the patches are sometimes orange, and the centers appear brown and sunken. It’s also known as brown patch or rhizoctonia blight. This disease often becomes a problem in spring, when cooler temperatures and damp weather create ideal conditions for the fungus. In summer the surrounding lawn may grow, filling in the dead patches, but if the disease isn’t controlled, the problem will return again in fall. The best way to prevent large patch is to care for your lawn properly, since incorrect watering, mowing, or fertilizing practices all make your grass more susceptible to disease.


Take-All Root Rot

Take-all root rot in St. Augustine grassFlorida homeowners need to be on the lookout for take-all root rot. This fungus naturally occurs on the roots of St. Augustine turf year-round in many lawns, but only becomes a problem with prolonged periods of rain or when a lawn is stressed. The initial symptoms appear on the roots, but you’re unlikely to notice them. If the turf is not being correctly watered, fertilized, or mowed, symptoms will begin to show above-ground as irregular yellow or light-green patches. Then the grass will begin to thin and die. By this time, the damage is done, so your best bet is prevention—avoid over watering and fertilizing too much or too often.


The best way to prevent disease is to maintain your lawn with proper mowing, watering, fertilizing and pest and disease control to ensure you have a strong, healthy, Florida-friendly lawn.

Source: http://gardeningsolutions.ifas.ufl.edu/lawns/problems-and-solutions/lawn-diseases.html

Patrick Exterminating, Pest Control, Stuart, Jupiter, Port St. Lucie, Hobe Sound, Palm City, Jensen Beach
Patrick Exterminating – Since 1988

Just Say No to Bugs!
226 SE Gran Park Way, Stuart, Florida 34997
Open M-F 7:30AM – 5:00PM

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