Clethra arborea (lily of the valley tree)
Botanical Information
Family | Clethraceae |
Genus | Clethra |
Species | arborea |
Category | Woody |
Type | Tree (evergreen) |
Origin | Native to the Madeira Islands. |
Details
USDA Hardiness Zone | 9 - 10 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 9a or greater |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H2 - H3 |
RHS Hardiness Ref. | |
Temperature (°C) | (-5) - 5 |
Temperature (°F) | 23 - 40 |
Height | 8-12 m |
Spread | 1 - 3 m |
Growth | Fast |
Flowering Period | January, February, March, April, December |
Description and Growing Information
General Description | A swift growing evergreen with cream-white flowers. |
Landscape | Hedge, specimen. |
Propagation | Propagate by cuttings. |
Cultivation | Grows best in fertile and moist well drained soils with added organic matter. |
Pests | No notable pests or diseases. |
Notable Specimens | Trengwainton garden, Madron, Cornwall, United Kingdom. |