Creeping Charlie & How to Kill it.

Creeping Charlie & How to Kill it.

Creeping Charlie & How to Kill it. 259 194 Nice & Precise Lawn Care Services

What is creeping Charlie? 

Creeping Charlie (Glechoma hederacea) is an herbaceous perennial plant that spreads by seed and by creeping stems (called stolons) that grow along the ground. Creeping Charlie was introduced into North America from Europe by early settlers who thought it would be a good groundcover for shade. A variegated form of the plant is sometimes used in hanging baskets. It is also known as ground ivy, gill-on-the-ground, and creeping Jenny.

What does creeping Charlie look like? 

How to kill Creeping Charlie
Creeping Charlie can be difficult to control with DIY products.

Creeping Charlie produces bright green, round or kidney-shaped leaves that have scalloped edges. The leaves are produced opposite each other on square (i.e., four-sided), creeping stems that root at the nodes. In spring, small, bluish-purple,funnel-shaped flowers appear. When the plant is crushed, it produces a strong mint-like odor. It is often confused with henbit (Lamium amplexicaule), which is a winter annual.

How can I control creeping Charlie? 

Creeping Charlie thrives in moist, shady spots such as under trees and shrubs, and along the north sides of buildings. Altering these moist, shady conditions can discourage growth of this weed. If possible, improve soil drainage or water less frequently to dry the soil, and prune trees to open the canopy and increase light levels.

If creeping Charlie is invading a thin lawn, try to improve turf health and density to get weeds under control. This can be accomplished by mowing regularly, fertilizing and watering appropriately, and overseeding in the fall. Also, make sure to grow the most suitable type of turfgrass for the locationp;'[]. Alternatively, consider removing grass and growing shade-loving plants such as vinca, English ivy, pachysandra or hosta that compete well with weeds.

In areas where creeping Charlie has become established, try removing plants by hand. This is the control method of choice in vegetable or flower gardens. However, this may not be a viable option in heavily infested areas. The extensive spreading stems of the weed can be difficult to completely remove. Once plants are pulled, make sure to dispose of the plants in such a way that they cannot re-root.

How to prevent Creeping Charlie

A healthy lawn will help prevent creeping Charlie from getting established. Over-seeding bare spots in lawn with an appropriate grass seed will help crowd out the weed. Another strategy is to mow at height of 3 inches. This allows grass to have healthier roots and blades as well as shade out weed seedlings. If shade is one of your issues, you may be able to do some branch or tree thinning to create more sun or consider an alternative ground cover that will grow better than grass in that location.

Hand weeding can be difficult and frustrating due to the fact that there are roots at many of the leaf nodes. If the soil is moist and you are careful to dig the roots, you will be more successful. Weeding them from garden beds is a lot easier. Removing them as soon as they show up is the key to success. A hoe, rake or dethatching tool can be helpful.

If an herbicide is required, studies have shown that spring and fall are the best times to apply. During the heat of the summer, plants are not growing as fast and not as susceptible to the effect of herbicides.

The Best way to kill Creeping Charlie

The Best way to control creeping charlie is to call Nice & Precise Lawn Care. An alternative (and oftentimes more effective) means of controlling weeds is with a postemergence broadleaf herbicide. The best choice for homeowners is a weed killer that contains triclopyr.

This active ingredient is found in many commercially available homeowner lawn care products, oftentimes in combination with other herbicides such as dicamba (3,6-dichloro-o-anisic acid), 2,4-D (2, 4 dichlorophenoxyacetic acid) and mecoprop or MCPP [2-(2- methly-4-chlorophenoxy) propionic acid]. Products containing 2,4-DP can also provide adequate control. All of the products listed above can be used for treating lawns. They cannot be used in vegetable or flower gardens.

Many common vegetables and ornamentals are broadleaf plants that are very susceptible to these herbicides. In areas of a lawn with an extensive creeping Charlie infestation, it may be easier to use a broad-spectrum herbicide (e.g., glyphosate-or roundup) to kill all of the vegetation in the area and then reseed the lawn.

When using an herbicide for creeping Charlie control be sure to read and follow all label instructions of the product that you select to ensure that you use the product in the safest manner possible.

Weed Control Rule of Thumb…

A general rule of thumb is to make applications when temperatures are in the mid 60s to low 80s. Also, when there is no rain expected for 24 hours following application, and there is little or no wind. DO NOT mow the treated area for several days before and after an herbicide application. Dicamba, triclopyr, MCPP, 2,4-D or 2,4-DP applications for creeping Charlie control should be made when plants are actively growing. A mid to late autumn herbicide application (after the first frost) is often particularly effective. During this period, plants are drawing nutrients from their leaves and into their roots for storage over the winter, and herbicides are more effectively moved into the roots as well, resulting in better control.

A second application can be made in the fall if needed. Herbicide applications can also be made in the spring. Applications should be timed to correspond to creeping Charlie’s blooming period (typically April to June). Plants are more sensitive to herbicides during this time. Again, a second application may be necessary to obtain adequate control. Note that any herbicide containing dicamba should not be used in a given area more than twice per year.

Does Borax Kill Creeping Charlie?

Finally, borax has been touted as an organic control for creeping Charlie. However, research at the U of W and Iowa State University has shown that borax does not provide longterm control of this stubborn weed. It is more likely to injure turf and other plants, causing stunting and yellowing. Thus borax is not recommended for creeping Charlie (or other broadleaf weed) control.

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