Urtica chamaedryoides is a small native annual in the stinging nettle family, found in moist, organically rich woodlands across the southeastern United States and northern Mexico. It grows 6–24 inches tall and bears inconspicuous greenish flowers. Though commonly managed as a weed in Florida lawns and pastures, it is a legitimate native plant with documented ecological value.
It performs best in moist, fertile soils with partial to dappled shade, though it tolerates disturbed, sunnier sites. It spreads entirely by seed and can form dense patches where soil is rich and consistently moist. All vegetative parts bear stinging trichomes; gloves are necessary when handling or pulling plants. In zones 9–10, germination can occur in cool, wet winter conditions, making it a year-round presence.
Heartleaf nettle serves as a larval host for the red admiral butterfly (Vanessa atalanta) and several anglewing species (Polygonia spp.). Young leaves of Urtica species become edible when briefly boiled or steamed, which neutralizes the sting.