What Causes Brown Spots In St Augustine Grass

Determine the cause of your brown spots.

What causes brown spots in st augustine grass.

Augustine grass is susceptible to a type of fungus aptly called brown patch fungus. Augustine grass suffers from this type of fungus the movement of water and nutrients is unable to get to the roots of the grass making its leaves turn yellow and die. The rhizoctonia fungus may be present for some time in the soil before it manifests as brown patch disease the fungus overwinters in the lawn grass or soil beneath in the form of fungal bodies known as sclerotia and it can survive for years until conditions are right rhizoctonia is most likely to cause brown patch during the periods of high temperature and high humidity in mid to. For the last 3 years we have large circles of st augustine grass that turns brown starting about october.

Augustine grass can be treated easily even using diy methods as i ve described in this article. Brown patch fungus proliferates in cool wet conditions. If the patches appear in spring or fall especially during warm humid spells. Many homeowners will confuse this rot with take all root rot because of the yellow coloring of the leaves.

Fungal diseases including large brown patch and gray leaf spot can also cause patches of st. Brown patch usually occurs in the spring or fall and occurs in lawns that are over watered or in areas of the lawn that don t drain properly. We live an hour north of dallas. Without proper care and maintenance a st.

Augustine lawn can develop brown dead spots all over the yard. These times will mainly be in the warmer months when humidity can be higher however brown patch may not. Brown patch fungus unsurprisingly causes large brown patched in the lawn. The four most likely causes are brown patch take all patch and chinch bugs.

All types of lawn grasses grown in texas such as st. Large brown spots on a lawn can be caused by a fungus commonly known as brown patch disease or large patch. The come back fine and are nice and green in the spring and summer but come fall the brown patches start again. Augustine grass shows symptoms such as browning of leaf blades rust like growths on grass and areas of thinning or dead grass in your lawn.

Maintaining your yard properly can prevent this type of fungus from destroying your lawn. Augustine grass to die. Pest infestation excessive fertilizer application and turf diseases can make your lawn turn color and appear dead but there s something you can do to revive the grass. Brown patch lawn disease is triggered in a similar manner and time of year as the leaf spot disease.

Augustine can be affected by brown patch humid conditions mild days 70 to 90 f and cool nights are ideal for development of brown patch disease. If a saint augustine lawn has developed circular patches of dead brown areas of turf then the most likely cause for these brown patches will be a lawn fungus disease called brown patch.