Centipede grass - Knowledgebase Question

zebulon, nc
Question by jameswfarmer
July 21, 2007
I planted 10 lbs of centipede grass on July the 14th. My yard was full of crabgrass. I did not want to kill the grassgrass with a herbicide because I was afraid that I would not be able to get the seed down during the growing season. When can I start to kill the crabgrass and with what chemical? To beat the crabgrass down until I can kill it, when can I get my mower in the lawn and not worry about distrupting the centipede seed?

Answer from NGA
July 21, 2007


Keep the soil moist but not soggy until new growth appears. Begin mowing to a height of 1 and 1/2 inches when the grass reaches a height of 2 inches. Be sure the mower blades are sharp, and do not mow when the grass and/or soil is wet.

You can apply a crabgrass preventer in October to control poa annua and in February to prevent crabgrass. Use a product like Vigoro Ultra Turf Crabgrass Preventer (without fertilizer) in October and Vigoro Ultra Turf Centipede Weed and Feed in February.

Good luck with your new lawn!

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