Native to (or naturalized in) Oregon:
- Broadleaf evergreen, 3 ft (0.9 m) in 10 years, compact and tight growing. Leaves narrowly elliptic, up to 10 cm long, dark green. Flowers light yellow with deeper shading of brilliant yellow, openly campanulate, 6-lobed, 6.5 cm across, about 11 flowers per loose, ball-shaped cluster.
- 5°F, mid; quality rating: 5/4/3 [flower / plant & foliage / performance; scale 1 (poor) - 5 (best)]. Best in shade, avoid full sun, well-drained soil needed because it is prone to root rot (Greer, 1996).
- The cross was made by Karl Sifferman, Seattle, Washington, and seedling raised by Glendoick Gardens, Perth, Scotland; introduced in 1968 (Salley and Greer, 1986). It has been used as a parent for many new hybrids.
- Received the Royal Horticultural Society's Award of Merit in 1974 and Award of Garden Merit in 1993.