Smallanthus uvedalia
Bear's Foot, Hairy Leafcup, Yellow Flower Leafcup, Yellow Leafcup
Smallanthus uvedalia, commonly known as Bear’s-foot or Hairy Leafcup, is a tall, coarse perennial in the Asteraceae native to North America, especially the eastern United States, reaching about 3–8 feet in height with stout hollow stems and large opposite leaves that are palmately lobed, giving a bear-foot appearance, with yellow flower heads consisting of 7–13 ray florets surrounding 40–80 disc florets, blooming from July to September and attracting bees and butterflies, in cultivation it prefers full sun to partial shade and moist, well-drained soils, tolerates a range of textures from clay to loam, suitable for back borders, woodland edges, and naturalized areas, its tall habit may require staking in windy sites, propagation can be by division (best in early spring) or by seeds, hardiness generally falls within USDA zones 5–9, ethnobotanical uses include root tinctures as a stimulant and laxative and hair-tonic applications, historically roots have been used to treat rheumatism, swellings, and skin sores
Perennial
3-10 feet
4-14 inches
Zones 6a-9b
Ideally full Sun, tolerates partial sun to partial shade, sources describe Smallanthus uvedalia as a generalist with no strong preference for light
No single ideal soil type; tolerates a broad range from base-rich calcareous and damp, deep, rich, well-drained soils to clay, loam, silt, or sand, with soils that remain moist in summer.
Well-drained soil
Slightly acidic to mildly alkaline soils
Yellow
Summer (June–September)
Green
Green
Deciduous
Fast
Summer and Fall
Seeds, Basal cuttings, Division
Attracts bees, butterflies, other pollinators, and birds