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What can cause St. Augustine grass to die?

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Fungal diseases, including large brown patch and gray leaf spot, can also cause patches of St. Augustine grass to die. If the patches appear in spring or fall, especially during warm, humid spells, the culprit is probably large brown patch. read more

Insect damage is one of the most popular reasons, as certain bugs feed on the base of the stems, which can kill the grass and cause it to yellow and die. Fungal disease is another reason your St. Augustine grass can die, especially during the warmer, more moist times of the year. read more

Grub damage is more commonly observed in early spring, when grass fails to green up. Take All Root Rot gives those same symptoms, but without the presence of grubs. Of course, drought and excessive shade can also cause St. Augustine to die out. read more

Dead patches in St. Augustine grass may be due to insects. The southern lawn chinch bug (Blissus insularis), feeds on the base of grass stems, causing affected patches to turn pale yellow-green or chlorotic, and if the infestation is not controlled, grass in those areas will die. read more

When you see a patch of St. Augustine grass that turns up dead, it could be due to a few reasons. Insect damage is one of the most popular reasons, as certain bugs feed on the base of the stems, which can kill the grass and cause it to yellow and die. read more

Grub damage may show up in the fall. Grass will pull loose easily from the soil, and grubs will be present. Grub damage is more commonly observed in early spring, when grass fails to green up. Take All Root Rot gives those same symptoms, but without the presence of grubs. Of course, drought and excessive shade can also cause St. Augustine to die out. read more

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