Nut sedge / Nut grass

This is really a sedge, not a grass. When cut, the stem has three sides. Pulling it up will do no good at all because there are small nut-like roots that break off and stay in the soil. The nuts can lie dormant for years and then sprout. It is usually brought in by re- sodding and is unnoticed when closely mowed.

Control: Although seeds will spread this plant, they rarely form in lawns because they get mowed off. The only way to control nut sedge is with a spray such as Ortho Crabgrass Killer or Bayer Advanced All-in-One Lawn Weed Killer. Both products seem to work, but repeated applications are necessary to kill new sprouts produced by the previously dormant nuts in the soil.

Sedges are ancient plants and are difficult to kill. Be aware that proper mowing and watering are required to prevent the lawn grasses from becoming stressed out during treatment.


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2018-06-06T17:49:34+00:00

About the Author:

Max Todd, owner of Fairway Lawn Service has been in the lawn business since he was seventeen years old. He worked for a lawn service for six years before starting Fairway Lawn Service in 1977. Now, thousands of San Francisco Bay Area homeowners rely on Fairway Lawn Service to aerate their lawns on a regular basis. Its customers also benefit by Max's expertise and free advice. Max loves lawns, and knows everything about them. Call him. You'll see!