For months, from early spring to the edges of summer, ground ivy’s tubular blue flowers announce its (often resented) presence in sunny lawns or in the high shade of garden or woodland trees. Its leaves are tiny and toothed; when nights are still cold and crisp, they are more burgundy than green, and its earliest flowers are periwinkle-blue. In lawns that are mown regularly the plants form compact, woven mats. Left to grow, they become slender and tall, festooned with flowers that turn gradually paler as the weather warms.
Crush a stem, and sniff its leaves: minty, with an oregano undertow. Collect a handful to scatter across a salad, to muddle into a drink, or to brew into a strawberry and rhubarb cordial (find that recipe below).
Photography by Marie Viljoen.
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Ground ivy’s strong flavor and refreshing scent make it an appealing, low maintenance, and cold-hardy culinary herb. Botanically, it is Glechoma hederaceae, a potent perennial member of the mint family. Although it is credited with many other common names in English, the two that are most familiar are creeping Charlie and gill-over-the-ground. The latter name’s etymology gives us a clue to one of its uses: “gil” is derived from guiller—to ferment, in French; ground ivy was used in beer-making. It is native to Europe and and has long been used as a medicinal, culinary, and brewing herb.
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While its spread can be aggressive where it is not native, its threat seems to be mainly to lawns. In the context of the persistent mania for a weed-free lawn monoculture (whose success often depends on herbicide use and a lot of synthetic fertilizer), I find this lawn weed hard to dislike.
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I like to scatter its pretty flowers across salads where their piercing freshness is offset by juicy or salty elements.
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Eaten as a simple dessert, the leaves and flowers of the herb seem to bring out the sweetness even in supermarket berries.
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Recently, I turned that happy fruit-and-herb combination into a cordial (meaning, a concentrated syrup meant to be drunk diluted) where strawberries, rhubarb, grapefruit peel, and ground ivy are combined in a jar with sugar and left to macerate. A gorgeous syrup forms within a few hours. While it can be used immediately, cut with chilled water or seltzer, or shaken into a drink, it tastes much better—and even more complex—after at least a week. Once strained, the leftover fruit, with a cup of extra water, can be cooked down quickly into an almost-instant jam. Nothing is wasted.
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Strawberry and Rhubarb Cordial with Ground Ivy
Makes about 4 cups/1,000 ml of cordial
The finished syrup is sipped at an ounce (30ml) or less at a time, so don’t be tempted to cut back on the sugar, which is what draws the juices out magically to make this scarlet syrup. Left in the jar for a week, or even two, the cordial will begin to ferment slowly, and will mellow and grow more complex in flavor. I like to use organic sugar and strawberries.
- 1 lb strawberries, washed, hulled, sliced
- Washed peel of 1 medium ruby grapefruit
- 5 oz rhubarb (around 1 chunky stalk or 2 medium stalks), washed, sliced thinly
- 2 cups sugar
- 1/3 cup tightly packed ground ivy leaves, flowers and tender stems
Combine all the ingredients in a large, clean 8-cup mason jar. Screw the lid on and shake until the sugar is well distributed. Loosen the lid. You will notice syrup forming after an hour. After about 3 hours it will cover the fruit. Leave it out on the counter.
Swoosh the contents in the jar every day, or a few times a day. (No need to stir, just pick up the jar and swirl.) Always make sure the lid is loose (in case fermentation causes a build-up of CO2, and a bright red bomb).
You can use the cordial as soon as you see syrup forming but you will notice a real change in flavor as time passes. Strain it after a week, bottle, and keep in the fridge (or f you must, on the counter with a slightly loosened cap). It is very good with tonic, seltzer, prosecco, mezcal, gin, white rum…
See also:
- Virginia Bluebells: Native, Pretty, Shade-Tolerant—and Edible Too
- Elm Samaras: The Tree’s Winged Seeds Are Edible and Easy to Collect Right Now
- Homemade Spring Vermouth: Memories in a Bottle
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