ro-do-DEN-dron ki-OH-see-ah-num kee-oo-see-AH-num
Native to (or naturalized in) Oregon:
- Evergreen, semi-evergreen to deciduous shrub, low, dense, twiggy, often prostrate, 2 ft (0.6 m) in 10 years, may reach 3 ft (0.9 m) high. Leaves are dimorphic, spring leaves about 4 cm long, wide elliptic or obovate, both sides with stiff flat hairs, summer leaves are obovate and smaller, 1.3-2 cm long. Flowers typically are shades of purple, but may be red, pink or rarely white, about 2.5 cm across, flat with a very short flaring tube, 5 stamens, usually single but doubles and hose-in-hose have been reported; 2-5 flowers per cluster.
- -10°F, mid to mid-late, 5/5/4 [flower / plant & foliage / performance; scale 1 (poor) - 5 (best)].
- Native to the Kyushu Island of Japan, 4,000-5,000 ft. Many cultivars are available. Some used in bonsai.
- kiusianum: after Kyushu Island, Japan.
- Rhododendron Species Foundation and Botanical Garden, Federal Way, Washington