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CREEPING CHARLIE, GLECHOMA HEDERACEA
Glechoma hederacea is not the same as henbit (Lamium amplexicaule) or Purple Deadnettle (Lamium purpureum L.), AKA red deadnettle, red henbit. Read more about purple dead nettle and henbit.
WHERE IT GROWS
Creeping Charlie is native to Europe and southwest Asia. European settlers brought it to North America for medicinal and culinary use. It grows throughout most of North America, except for the far northern reaches of Canada and Nevada, New Mexico and Arizona.
Ground ivy prefers rich, moist soils in partial to full shade, and readily volunteers in lawns, gardens, along roadsides and in other shady spots.
As a member of the mint family, creeping charlie may be invasive. It's listed as a noxious weed in many areas. It prefers moist, shady areas where it may be difficult for grass to grow, making it a useful ground cover.
Creeping Charlie always reminds me of my grandmother Catherine, who had dense mats of this plant growing in shady parts of her lawn. Every time I smell it I smile, because it makes me think of grandma.
PLANT IDENTIFICATION – STEMS, LEAVES, ROOTS AND FLOWERS
Creeping Charlie has creeping stems and very fine hairs all over the plant. The plant spreads by seed and rooting at the nodes, forming a dense mesh of vegetati
It has dark green, kidney shaped leaves with scalloped edges. The leaves are small – about the size of a thumbnail – and appear in pairs along the stem. Young leaves may have a purple tint.
Light purple, funnel shaped flowers appear from spring into early summer. They form at the leaf axils. The foliage has a strong, spicy odor when damaged.
The plant is a perennial broadleaf weed, blooming in the spring/summer and dying back in fall/winter. It may become dormant in hot weather.
HOW TO GET RID OF CREEPING CHARLIE
Ground ivy will readily regrow from small pieces left in the soil. The best control method is hand pulling the plant intact (if possible) while it is flowering. You can also control creeping charlie by smothering it under heavy mulch, or solarize it with black plastic.
What about vinegar and borax?
Enough borax to kill creeping charlie may also make the soil sterile for everything else. Not cool. The same goes for vinegar.
WILL GOATS EAT CREEPING CHARLIE?
Despite their popularity for weed control, goats probably won't eat creeping charlie unless they have no other options. Too much may make them sick.
IS CREEPING CHARLIE POISONOUS?
Short answer – not in small amounts.
Ground ivy should not be used if you have liver or kidney trouble, are epileptic, or if you are nursing or pregnant, because it contains very small amounts of pulegone. Its high amounts of vitamin C may also interact with blood thinning drugs, such as Warfarin. See Ground Ivy (Glechoma Hederacea) Dosing And Safety for more information.
WHAT IS CREEPING CHARLIE GOOD FOR?
As mentioned above, ground ivy makes a good ground cover where grass doesn't like to grow, preventing erosion. The tiny flowers also attract pollinators.
Illinois Wildflowers shares the wildlife uses of creeping charlie:
The nectar of the flowers attracts long-tongued bees primarily, including honeybees, bumblebees, mason bees, a cuckoo bee, a long-horned bee, an Anthophorine bee, and small carpenter bees. Occasionally, the flowers attract green metallic bees, bee flies, a Syrphid fly, Sulfur and White butterflies, and skippers.
The caterpillars of a polyphagous moth feed on the foliage of Ground Ivy, while the larvae of Ground Ivy Gall Wasp form galls on the stems, petioles, or leaves.
Glechoma hederacea also has a long history of use for food and medicine – with some precautions, as noted above.
The Weed Cookbook suggest steeping fresh or dried leaves in hot water for 10 minutes to make a tea. Add honey and a splash of lemon, if desired. It's good for coughs and colds.
Edible Wild Food says the leaves are high in vitamin C, and suggests the young leaves be eaten in salad or cooked like spinach. The flavor is fairly strong, sort of citrus/pepper mix, so sample before you commit to larger quantities.
Creeping charlie can be used as a rennet substitute in the same way as nettles, but it wouldn't be my first choice because of the distinctive flavor. In beer making, it replaces hops, to clarify the beer and improve storage life.
Creeping charlie has a long history of medicinal use. The Holistic Herbal recommends it for sinus problems, coughs and bronchitis, tinnitus, diarrhea, hemorrhoids and cystitis. Its actions are listed as, “Anti-catarrhal, astringent, expectorant, diuretic, vulnerary and stimulant”. Studies indicate it is also strongly antibacterial.