Why Does My St Augustine Grass Have Brown Spots On The Blades

A lawn infested with grubs will have patchy brown spots.
Why does my st augustine grass have brown spots on the blades. Many types of plants are susceptible to rust fungus from ornamental plants to evergreens. 1 grass plants affected by brown patch may recover on their own without chemical intervention. Leaf spot is another of the fungal lawn diseases that can affect saint augustine grass. Augustine grass is susceptible to a type of fungus aptly called brown patch fungus.
The disease is most easily recognisable by the elongated spots which appear on the saint augustine grass leaf blades. Brown patch can also affect a variety of warm season grasses including st. Augustine grass blades that occur near the ground s surface tend to spot a dark brown color along the edges and irregular tan spots that resemble a burnt up cigarette. The dead grass comes up easily in patches when you tug at it.
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. However there are still quite a few st. Fungi chinch bugs and weeds are a few of the most common issues that can result in brown patches uneven grass and dead spots that are unsightly and may require the assistance of a lawn professional to resolve. Augustine grass problems that homeowners can find themselves confronted with.
Brown patch is a foliar disease meaning that it harms the blades of grass but not the crown of the plant or the root system. Augustine grass and zoysiagrass. For browning during hot. Overall patches of the grass will become thin and weak.
Brown patch fungus proliferates in cool wet conditions. The lawn rust begins with yellowing leaf blades and small yellowish spots which mature to orange red or brown coloring. Maintaining your yard properly can prevent this type of fungus from destroying your lawn. Extremely rainy or humid weather can encourage fungal outbreaks as can lack of sunlight and poor air circulation.
Augustine grass naturally turns brown when fall temperatures drop with the first frost of the season or if you have failed to water during a hot spell in july. Dig down into the soil and you should find the grubs. These times will mainly be in the warmer months when humidity can be higher however brown patch may not. The spores can be rubbed off the grass blades with a finger.
When under fungal disease attack st. Tiny chinch bugs suck the juice from the grass blades. Brown spots due to fungal problems usually show up as irregular patches.