Wintergrün

Wintergrün, scientifically Gaultheria procumbens, is an evergreen perennial in the heath family (Ericaceae). It is commonly known in English as creeping wintergreen or checkerberry and, in some contexts, teaberry. The plant forms low, spreading mats with creeping stems and grows to about 5 to 20 cm in height, making it a popular ground cover.

Description and ecology: The leaves are glossy, leathery, and elliptic to oblong, typically 2–5 cm long with finely serrated edges. In summer, small white to pale pink bell-shaped flowers appear. The bright red berries, about 6–9 mm in diameter, develop later in the season and can persist into winter. The plant tolerates shade and cool climates and is adapted to acidic, well-drained soils. Pollination is primarily by insects, and birds or mammals often disperse the berries.

Distribution and habitat: Wintergrün is native to eastern North America, from southern Canada through the United States, where it commonly grows in forests and woodland edges with shaded to partly sunny conditions. It is valued for its hardiness in temperate climates and its year-round greenery.

Uses and safety: The plant contains methyl salicylate in its leaves and berries, producing a characteristic wintergreen aroma and flavor. The oil has traditional uses in flavoring and medicinal preparations, but extraction should be approached with caution due to potential toxicity. The berries are edible in small quantities, though large amounts can cause stomach upset or other adverse effects. Cultivation for ornamental purposes is common, with propagation by division or stem cuttings; it prefers partial shade and consistently moist, acidic soil.