Stinging nettle is a herbaceous perennial native to Europe, temperate Asia, and North Africa, now naturalized worldwide. Hollow silica-tipped trichomes on leaves and stems inject formic acid, histamine, and serotonin on contact, producing the characteristic burn. Despite the sting, nettles function as food, fiber, medicine, butterfly habitat, and a soil-building resource that earns deliberate cultivation in productive or wildlife gardens.
Nettles spread aggressively by rhizome and set prolific viable seed, forming dense colonies in nitrogen-rich, moist soils near streams, woodland edges, and disturbed ground. Installing a buried root barrier at least 12 in deep, or growing in a large container sunk into the ground, keeps colonies in check. Cutting stems before seed heads open prevents unwanted naturalization. Preferred soil pH is 5.5–7.0. Dried or steeped plant material makes an effective nitrogen-rich compost activator and liquid foliar feed.
Young shoots harvested before first flowering are edible after blanching or brief cooking, which fully neutralizes the sting; the cooked greens are high in iron, calcium, and vitamins A, C, and K. Stem fibers have been spun into cloth comparable to linen since antiquity. Nettles are a primary larval host for red admiral, question mark, and eastern comma butterflies. Root and leaf preparations have clinical support for benign prostatic hyperplasia, allergic rhinitis, and inflammatory joint conditions.