How to Kill Creeping Charlie Without Weed Killer

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Creeping Charlie (​Glechoma hederacea​, sometimes also spelled creeping "Charley") spreads by creeping underground rhizomes, so it can quickly take over a moist, shady garden bed or lawn. This invasive perennial weed grows in U.S. Department of Agriculture plant hardiness zones 3 through 10. Controlling the weed without chemicals takes effort and time, but it's possible with persistence.


Pull Creeping Charlie Out

Pulling up the creeping Charlie regularly and consistently by hand can keep the weed under control, but it may not eradicate it completely. Each stem or root section left in the ground can regrow into a new plant.

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When pulling creeping Charlie, dig closely around the base of the plant with a weed fork or the shaft of a screwdriver to loosen the soil around the roots without breaking them. Pull up as much of the root system as possible. Creeping Charlie has a long, spreading root system so you may need to work slowly and carefully to get it all.


Weeding weekly so you pull up new plants as soon as they surface keeps them from forming extensive roots. After weeding, destroy or dispose of the weeds promptly, because any stems left on the ground may root again.

Smother the Problem

Completely smothering the creeping Charlie can destroy both the roots and the top growth so the weed doesn't return. Cover the bed with cardboard sheets, a thick layer of newspaper or a piece of old carpet. Weighing the covering down with rocks or bricks ensures it stays in place so light and moisture don't reach the creeping Charlie.


Check under the covering weekly until the creeping Charlie is completely dead. Pull and rake up the plant debris before reseeding the bed or covering with a more attractive mulch, such as wood chips. Smothering works best in hot, dry weather when the weeds will get little moisture.

Encourage a Healthy Lawn

Proper lawn care can help eradicate creeping Charlie in lawn grass. Mowing properly, combined with regular lawn fertilization keeps the grass thick enough so creeping Charlie can't establish. Mow the lawn no shorter than 2 to 3 1/2 inches, dependingon the turfgrass species, so the lawn shades out the creeping Charlie so it can't establish.


If the grass is thin, overseeding it to thicken the grass can also help kill the creeping Charlie. When mowing over an area that contains creeping Charlie, use a bagging lawnmower. Any clippings left on the lawn can root, spreading the weed over a larger area.


Creeping Charlie Control Conditions

Creeping Charlie thrives in moist, shady areas. Aerating the lawn with a core aerator to improve drainage can help prevent the weeds. Avoid overwatering and allow the soil to dry out between each watering to help suppress creeping Charlie growth.


Planting vigorous shade-tolerant plants can provide a natural mulch that crowds out the weed. For example, hostas (​Hosta​ spp., USDA zones 3-9) can tolerate shade but their large leaves block moisture and sunlight from reaching the creeping Charlie. Thinning out overhanging branches from trees and shrubs also lets more light reach the ground, which can inhibit the growth of creeping Charlie.


Skip the Borax

Borax may seem like a natural method to kill creeping Charlie, but the boron remains active in the soil for many years and can kill any other plant you try to grow in the bed. Although borax is not a registered pesticide, it can help control creeping Charlie but the costs to your desired plants and chemical dangers don't make it a worthwhile or smart alternative. Some sites recommend using a vinegar or epsom salt weed killer, but this should be avoided for the same reason. Borax is also still dangerous to use around children and pets.




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