No common name
Rhododendron roxieanum var. oreonasters
Ericaceae · broadleaf evergreen shrub · introduced
Last updated
A compact evergreen shrub native to southern Tibet, northwestern Yunnan, and southwestern Sichuan, China, reaching 3 feet. Bell-shaped flowers, white flushed pink and spotted red-purple, about 1 inch across. Distinctive narrow, lance-shaped leaves with thick indumentum beneath.
Hardy in Zone 6a-8b. The narrow foliage and heavy indumentum give this species a markedly different texture from broad-leaved rhododendrons. Compact habit suits small-space and rock garden settings. Acidic, well-drained soil. Twenty-one diseases and 15 pests documented at the genus level. All parts contain grayanotoxins and are toxic if ingested.
Quick Facts
Root Colonization (Spring–Fall)
Infection at Bud Break
Apothecia Formation & Spore Release
Aecial Stage (Alternate Host)
+ 13 more — see full disease and pest lists below