Roseshell Azalea
Rhododendron prinophyllum
Ericaceae · broadleaf deciduous shrub · native
Last updated
A deciduous azalea native from southwestern Quebec through New England and the Ohio Valley to the southern Appalachians, ranging from 2 to 8 feet. Bright pink to purplish-pink flowers (rarely white) with a distinctive clove-like scent, petals distinctly pointed, stamens extending well beyond the petals.
Hardy in Zone 4a-8b. Full sun on acidic, well-drained soil. The clove-scented flowers are among the most fragrant of any native North American azalea. 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