Creeping Charlie, often cursed as an aggressive lawn weed, is actually a plant with a long history of practical uses. Before it became North America’s most infamous ground cover invader, European settlers deliberately brought it here because they valued it for brewing, cooking, herbal medicine, and erosion control. Here’s what this persistent little plant is genuinely good for.
An Early Spring Food Source for Bees
One of creeping Charlie’s most significant benefits is its value to pollinators. The plant blooms in early spring when few other nectar sources are available, and its small purple flowers attract sweat bees, bumble bees, and honey bees. The flowers produce nectar efficiently enough that bees foraging on creeping Charlie for just under six minutes can collect enough nectar to make the trip energetically profitable, according to research from the University of Minnesota. If you’re trying to support pollinators in your yard, a patch of creeping Charlie in an out-of-the-way spot is one of the easiest things you can do.
A Brewing Ingredient Before Hops
Creeping Charlie played a central role in European beer making for centuries. The Saxons used it widely as a flavoring agent, clarifier, and preservative in ale, long before hops became the standard bittering ingredient. This is where many of the plant’s old folk names come from: “alehoof,” “tunhoof,” and “gill-over-the-ground” all trace back to its brewing history. Some modern homebrewers still experiment with it for a mildly bitter, minty flavor in herbal ales and gruits (hop-free beers).
Traditional Medicinal Uses
European herbalists used creeping Charlie for a wide range of ailments, including disorders of the bladder, kidneys, digestive tract, and skin, along with gout, coughs, colds, and even ringing in the ears. By the 19th century in the United States, the list had expanded to include lung and kidney diseases, asthma, and jaundice. People snuffed dried ground ivy to treat persistent headaches.
These are folk uses, not clinically proven treatments. But the plant’s chemistry does offer some context for why traditional healers reached for it. Creeping Charlie’s leaves are rich in rosmarinic acid, chlorogenic acid, and flavonoids like rutin, quercetin, luteolin, and apigenin. These are the same classes of antioxidant and anti-inflammatory compounds found in rosemary, green tea, and other plants with well-documented biological activity. The essential oil contains compounds like eucalyptol, which is also the main active component in eucalyptus oil and is commonly used in cough remedies. Whether the concentrations in a cup of creeping Charlie tea are high enough to produce meaningful effects in humans hasn’t been established in clinical trials.
Edible Plant With a Minty Bite
Creeping Charlie is edible. The young leaves have a mild, slightly bitter, minty flavor (it’s a member of the mint family). People add small amounts to salads, steep them into tea, or blend them into pesto and smoothies. The leaves can also be dried for later use. Ground ivy is used commercially as a flavoring ingredient in food manufacturing.
A few practical notes if you want to try it: harvest from areas you know haven’t been treated with herbicides or pesticides, and stick to young leaves, which are more tender and less bitter. Start with small amounts. The plant is considered possibly safe in the quantities typically used for flavoring or in small medicinal doses, but large amounts have not been well studied for safety.
Fast-Spreading Ground Cover
The same trait that makes creeping Charlie a nightmare in lawns makes it genuinely useful in the right context. European settlers brought it to North America specifically because they considered it a good ground cover for shady areas. The plant spreads quickly by runners, forms a dense mat, stays green through much of the year, and tolerates poor soil and deep shade where grass struggles.
If you have a shady slope prone to erosion, a strip between buildings where nothing else grows, or an area you’d rather not mow, creeping Charlie can fill in fast and hold soil in place. It stays low to the ground (typically two to four inches tall), requires no watering or fertilizing once established, and handles foot traffic reasonably well. The catch, of course, is containment. It will absolutely spread beyond wherever you plant it, so it works best in areas bordered by hardscape, where you’re comfortable letting it roam, or where it’s already established and you’re deciding whether to fight it or embrace it.
Toxicity Concerns for Pets
Creeping Charlie is toxic to horses and other equines. The plant contains compounds that can cause excessive salivation, sweating, and breathing difficulties in horses if consumed in large quantities. It is not considered toxic to dogs or cats. If you have horses and creeping Charlie growing in or near their pasture, removing it is worth the effort.