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.

Plant Profile

Size & Form

Height
15 ft

Ornamental Interest

Origin
China, western Szechwan
Watch for this season

Root Colonization (Spring–Fall)

Gall Development & Sporulation

Active Conidial Spread

RustHigh

Uredinial Stage (Summer)

+ 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.