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. |
Photographs
Clethra arborea, form. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Clethra arborea, leaf. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Clethra arborea, flower. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.