Rhododendron keysii
Family |
Ericaceae |
Genus |
Rhododendron |
Species |
keysii |
Category |
Woody |
Type |
Shrub (evergreen) |
USDA Hardiness Zone |
6b - 7a |
Canadian Hardiness Zone |
8 |
RHS Hardiness Zone |
H6 |
Temperature (°C) |
-32 |
Temperature (°F) |
-25 |
Height |
1 – 4 m |
Cultivation |
Grow best in moist, fertile, well-drained loams in full sun to part shade. Best flowering occurs in full sun. |
Shape |
Sprawling to mounding. |
Pests |
Vine weevils, scale insects, honey fungus, powdery mildew, and bud blast. |
Bark/Stem Description |
Dark brown-grey, mild fissures can be found on older growth. |
Leaf Description |
Narrow dark green leaves that are lanceolate-elliptic or lanceolate-oblong in shape, and typically 4 –8 × 1 –3 cm in size. |
Flower Description |
Narrow tubular in shape and orange to reddish in colour with yellow or green lobes. |
Notable Specimens |
Caerhays Castle, Goran, Cornwall, United Kingdom. |
Propagation |
Propagate by semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter. |