Native to (or naturalized in) Oregon:
- Deciduous shrub, 4-8 ft (1.2-2.5 m), arching, lanky, suckers; stems slender and green, even in winter. Leaves alternate, simple, 2.5-10 cm long, width about half that, ovate-lanceolate, acuminate, double serrate, bright green. Flowers bright yellow, about 3 cm wide, 5-petaled. Fruit a single seeded, fleshy but eventually dry (drupe).
- Sun, part shade, adaptable to most soils. Useful in naturalizing. A good, long lasting, cut flower if cut early in spring.
Hardy to USDA Zone 4 Native to central and western China, several cultivars available, including:
- 'Albiflora' - single whilte flowers
- 'Golden Guinea' - flowers single, golden yellow, large, to 5 cm wide
- 'Kin Kan' - single yellow flowers, stems in winter are yellow with a thin green stripes
- 'Picta' - single yellow flowers, leaves variegated white on the extreme outer margins
- 'Pleniflora' - flowers double, almost golden yellow, nearly spherical, pop-pom-like
- japonica: of Japan.