Why Is My St Augustine Grass Has Brown Spots

Augustine grass can be treated easily even using diy methods as i ve described in this article.
Why is my st augustine grass has brown spots. Brown patch fungus unsurprisingly causes large brown patched in the lawn. We live an hour north of dallas. Fungal diseases including large brown patch and gray leaf spot can also cause patches of st. A lawn infested with grubs will have patchy brown spots.
For the last 3 years we have large circles of st augustine grass that turns brown starting about october. Brown patches of dead grass usually start appearing during fall and spring when the weather is warm and humid. Various diseases can be the reason why your grass is dying or appearing as though it is dead. 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.
Various other problems can cause browning in st. Dig down into the soil and you should find the grubs. The come back fine and are nice and green in the spring and summer but come fall the brown patches start again. We are not over watering this time of year.
Augustine grass is prone to some diseases such as brown patch disease gray leaf spot and take all root rot. If the patches appear in spring or fall especially during warm humid spells. Thatch a thick growth of decaying grass blades needs removal if it has caused brown patches and is over 1 2 inch thick. The good news is these lawn diseases can be controlled by fast acting scotts diseaseex lawn fungicide a broad spectrum disease prevention and control product.
The good news for you is that brown patch disease on st. Augustinegrass stenotaphrum secundatum is a versatile warm weather grass suitable for u s. If the disease has been active for a while the inside of the patch may recover leaving a ring of dead grass around it. The dead grass comes up easily in patches when you tug at it.
Below are the most common causes of brown spots in the lawn and how to treat them so you can get your lush green lawn back. With its broad lush blades and tolerance of shade and salt st. Augustine grass to die. Tiny chinch bugs suck the juice from the grass blades.
Unfortunately it is susceptible to several problems that can cause its leaf blades to turn yellow. Brown spots due to fungal problems usually show up as irregular patches. Brown patch fusarium blight and rust are a few of the diseases that thrive in wet grass. Brown patch fungus proliferates in cool wet conditions.
Maintaining your yard properly can prevent this type of fungus from destroying your lawn.