How to Get Rid of Creeping Charlie: Winning the Battle Against Your Lawn's Most Persistent Invader
Ground ivy spreads like gossip in a small town—quietly at first, then suddenly it's everywhere, and everyone's talking about it. This mint family member, scientifically known as Glechoma hederacea but more commonly called creeping charlie, has probably frustrated more homeowners than any other lawn weed. Its kidney-shaped leaves and purple flowers might look innocent enough, but beneath that charming facade lies one of the most tenacious plants you'll ever encounter in your yard.
I've spent the better part of two decades wrestling with this botanical bully, and let me tell you, it's taught me patience in ways I never expected. When I first moved to Minnesota in 2003, my neighbor warned me about it with the kind of grave seriousness usually reserved for tornado warnings. I laughed it off then. By the following spring, I understood completely.
Understanding Your Green Nemesis
Creeping charlie thrives in conditions that would make other plants pack up and leave. Shade? Perfect. Compacted soil? Even better. Poor drainage? It's practically rolling out the welcome mat. This adaptability isn't just impressive—it's downright maddening when you're trying to maintain a pristine lawn.
The plant spreads through both seeds and an extensive network of stolons (those creeping stems that run along the ground). Each node on these stems can develop roots and establish a new plant. It's like dealing with a hydra—cut off one head, and two more appear. This dual reproduction strategy makes it particularly challenging to control.
What really sets creeping charlie apart is its allelopathic properties. The plant releases chemicals that inhibit the growth of surrounding vegetation, essentially poisoning the competition. It's chemical warfare at the microscopic level, and your grass is usually the casualty.
The Manual Approach: Getting Your Hands Dirty
Hand-pulling creeping charlie feels a bit like trying to untangle Christmas lights while wearing mittens—theoretically possible, but frustrating enough to make you question your life choices. Still, for small infestations or if you're committed to organic methods, it remains a viable option.
The trick is timing and technique. Early spring, when the soil is moist but not waterlogged, offers the best conditions. You need to get every bit of root and stem, or you're just giving it a haircut. I use a hand cultivator to loosen the soil first, then carefully trace each runner back to its source. It's meditative in a masochistic sort of way.
For larger areas, some folks swear by the "smother method." This involves covering the affected area with cardboard or several layers of newspaper, then topping it with mulch. The idea is to block sunlight and essentially starve the plant. It works, but requires patience—we're talking months, not weeks. I tried this approach in my side yard once. By the time the creeping charlie was gone, I'd forgotten what I'd planned to plant there instead.
Chemical Warfare: When Natural Methods Fall Short
Sometimes you need to bring out the big guns. Selective broadleaf herbicides containing triclopyr or dicamba can be effective against creeping charlie, though even these don't guarantee complete eradication. The waxy coating on creeping charlie's leaves makes it resistant to many herbicides that work fine on other weeds.
Fall application tends to be more effective than spring. As temperatures drop, the plant moves nutrients down to its roots for winter storage, taking the herbicide along for the ride. It's like a Trojan horse strategy, but with chemicals instead of wooden horses.
Multiple applications are usually necessary—typically two or three treatments spaced about two weeks apart. And here's something the label won't tell you: add a surfactant or a drop of dish soap to your herbicide mix. It helps break through that waxy leaf coating. Just don't go overboard; we're not trying to wash dishes here.
The Nuclear Option: Total Renovation
Sometimes, despite your best efforts, creeping charlie wins. When more than half your lawn consists of this invasive mint relative, it might be time to consider the nuclear option: complete lawn renovation.
This isn't a decision to make lightly. It involves killing everything—grass, weeds, your pride—and starting fresh. Non-selective herbicides like glyphosate will do the job, though you'll need multiple applications to ensure complete kill. After that, it's a matter of removing the dead vegetation, improving the soil, and reseeding or sodding.
I watched my neighbor go through this process last year. The look on his face when he realized creeping charlie was sprouting in his new sod three months later? Priceless, in the most tragic way possible. Turns out, even tiny root fragments left in the soil can regenerate. It's like a zombie movie, but with plants.
Prevention: The Best Medicine
After years of battling creeping charlie, I've come to believe that prevention truly is worth a pound of cure—or in this case, gallons of herbicide. A thick, healthy lawn is your best defense against invasion.
Proper mowing height matters more than most people realize. Keep your grass at 2.5 to 3 inches tall. Taller grass shades the soil, making it harder for creeping charlie seeds to germinate. It also encourages deeper root growth in your turf, making it more competitive.
Soil health plays a crucial role too. Creeping charlie loves compacted, poorly drained soil with low nitrogen levels. Annual aeration, proper fertilization, and improving drainage can make your lawn less hospitable to this unwanted guest. Think of it as gentrification, but for your yard.
Overseeding thin areas promptly prevents creeping charlie from gaining a foothold. Nature abhors a vacuum, and so does your lawn. If you don't fill those bare spots with desirable grass, creeping charlie will happily volunteer for the job.
Alternative Perspectives: Making Peace with the Enemy
Here's where I might lose some of you: maybe we need to reconsider our relationship with creeping charlie. I know, I know—blasphemy from someone who just spent several paragraphs telling you how to kill it. But hear me out.
Creeping charlie is actually edible and has been used medicinally for centuries. It's high in vitamin C and was once used to clarify beer. Some progressive landscapers are even incorporating it into "eco-lawns" designed to require less maintenance and support pollinators. Those purple flowers? Bees love them.
I'm not saying you should let it take over your entire yard. But in deeply shaded areas where grass struggles anyway, creeping charlie might be a more practical groundcover than constantly fighting a losing battle. It's green, it's low-growing, and it doesn't need mowing. Sometimes the best solution is redefining the problem.
The Long Game
Ultimately, dealing with creeping charlie is about playing the long game. Quick fixes rarely work, and expecting immediate results will only lead to frustration. I've learned to think in seasons rather than weeks, to celebrate small victories, and to accept that some battles will be lost.
The most successful approach combines multiple strategies: improving growing conditions for desirable plants, targeted removal of creeping charlie, judicious use of herbicides when necessary, and ongoing vigilance. It's not glamorous work, but neither is most of gardening when you get down to it.
My current lawn still has some creeping charlie. Probably always will. But it's manageable now, confined to the edges where the shade is deepest and my ambitions are lowest. We've reached a détente of sorts—I don't try to eradicate it completely, and it doesn't try to take over the entire yard.
Some might call that defeat. I prefer to think of it as wisdom.
Authoritative Sources:
Chomas, Aaron, et al. "Creeping Charlie (Glechoma hederacea) Control in Kentucky Bluegrass (Poa pratensis) with Postemergence Herbicides." Weed Technology, vol. 30, no. 3, 2016, pp. 690-696.
Kohler, Eric A., et al. "Seasonal Variation in Creeping Charlie Control." HortScience, vol. 39, no. 6, 2004, pp. 1323-1326.
University of Minnesota Extension. "Creeping Charlie: Management and Value to Pollinators." University of Minnesota, 2021, extension.umn.edu/lawns-and-landscapes/creeping-charlie.
Patton, Aaron J., and Daniel V. Weisenberger. "Ground Ivy Control in Cool-Season Turf." Purdue Extension Publication AY-13-W, Purdue University, 2018, extension.purdue.edu/extmedia/AY/AY-13-W.pdf.
Renz, Mark, and Chris Boerboom. "Biology and Management of Creeping Charlie (Glechoma hederacea L.)." University of Wisconsin-Madison Division of Extension, 2019, fyi.extension.wisc.edu/weedsci/files/2019/04/Creeping-Charlie.pdf.