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White clover control in lawns

white cloverWhite clover flowers are visible in summer and it often appears that clover is taking over some lawns. As a nitrogen-producing legume, clover is often found and is competitive in lawns that have not been adequately fertilized with nitrogen. Regular fertilization, especially fall nitrogen applications can help reduce this weed in lawns. Herbicides applied during the summer aren't as effective as fall applications. white clover blossom

To obtain maximum weed control and to prevent turf injury, ensure that the clover and grass are well-watered and not stressed. Avoid making herbicide applications when temperatures are above 85 degrees F, as control may be reduced and the herbicide is more likely to volatilize and harm landscape plants and vegetables.

Postemergent herbicides are most effective on clover. Herbicides containing 2, 4-D, dicamba and MCPP/MCPA provide good control.

Spot treatment is preferable to broadcast applications with any postemergent herbicide because of the decreased potential for harming non-target plants in the landscape. As always, a healthy lawn is the best preventive against weeds like clover.

For more information, see the following Planttalk Colorado™ script(s).


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Updated Tuesday, July 22, 2014