Concinnum Rhododendron

Rhododendron concinnum

Ericaceae · broadleaf evergreen tree · introduced

Last updated

A broadleaf evergreen tree native to western Szechwan, China, reaching 15 ft in the landscape. Young shoots are scaly. Leaves are elliptic to oblong-elliptic, 2.5 to 9 cm long, rounded or blunt at the tip. Flowers are purple, mauve, or rosy-purple, openly funnel-shaped, in trusses of 2 to 6.

Requires acidic, well-drained soil in a sheltered position. One of the larger lepidote species, valued for its elegant upright form and refined foliage. Twenty-one diseases and 15 pests documented at the genus level. All parts are toxic if ingested.

Quick Facts

Height
15 ft
Origin
China, western Szechwan
Watch for this season

Root Colonization (Spring–Fall)

Infection at Bud Break

Apothecia Formation & Spore Release

RustHigh

Aecial Stage (Alternate Host)

+ 13 more — see full disease and pest lists below

Diseases: Regionally Documented (21)

Pests: Regionally Documented (15)

Data Maturity
Structured Multiple sources. Expert review underway.