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. |
Photographs
