Rhododendron orthocladum
Botanical Information
Family | Ericaceae |
Genus | Rhododendron |
Species | orthocladum |
Category | Woody |
Type | Shrub (evergreen) |
Origin | Native to western China (northern Yunnan, southwestern Sichuan). The genus name comes from the Greek word, 'rhodos' meaning rose and 'dendron', which means tree. |
Details
USDA Hardiness Zone | 6 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | H6 - H7 |
Canada Hardiness Ref. | |
RHS Hardiness Zone | 5a - 6a |
RHS Hardiness Ref. | |
Temperature (°C) | -23 - (-18) |
Temperature (°F) | -10 - 0 |
Height | Up to 1.3 m |
Spread | 1.5 m |
Growth | Slow |
Flowering Period | April, May |
Description and Growing Information
General Description | Rhododendron orthocladum is an erect evergreen shrub with many branches whose tips bear small, yellow-green leaves. |
Cultivation | Grow in moist, well-drained, loose, acidic, humusy soil. |
Notable Specimens | RHS Garden Rosemoor, North Devon, England. |
Leaf Description | Narrowly elliptic to lanceolate, 8 - 16 mm, yellow-brown to fawn underneath, crowded at the ends of branches in false whorls. |
Flower Description | Petals are funnel-shaped, lavender-blue to purple or white. |