Carpet grass is a creeping warm season grass native to the West Indies. The spreading branches will tolerate shade in moist and poorly-drained soils. Carpet grass self propagates from seed and the running stolons. The plant will not tolerate heavy fertilization, especially fertilizers high in nitrogen. The most effective control is a properly maintained and healthy lawn or herbicidal application.
Control the spread of carpet grass by properly fertilizing the turf. Follow label directions in application rates and frequency. Carpet grass will not tolerate fertilizers with a high nitrogen level.
Irrigate the area on an infrequent schedule. Carpet grass enjoys moist soil. Infrequent watering will cause the carpet grass to become weak, while turf grass will extend its roots even deeper through irregular irrigation.
Mow the turf grass lawn to a height of 2 to 2 1/2 inches. The short height will aid in weakening the carpet grass, causing the runners to become stunted.
Apply the pre-emergent herbicide dithiopyr in either a spring or fall application. Follow label directions for application rates. Do not over-seed the area with turf grass species seed until four months have passed.
Seed the area with the type and species of grass turf predominant in the lawn. Use the directions on the label package for the amount of seed to broadcast. Irrigate and fertilize according to grass species. Keep the new grass mowed to 2 1/2 inches.
Things You Will Need
- Lawn fertilizer
- Pre-emergent herbicide (dithiopyr)
- Lawn grass seed
- It may take several attempts to completely get rid of carpet grass.
- Keep people and pets away from any area treated with an herbicide.
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