Leucadendron argenteum (Silver Tree)
Botanical Information
| Family | Proteaceae |
| Genus | Leucadendron |
| Species | argenteum |
| Category | Tropicals, Woody |
| Type | Tree (evergreen) |
| Origin | Native to the Western Cape, South Africa. |
Details
| USDA Hardiness Zone | 9b-11 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | Requires cold season protection under glass. |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H1c-H3 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -6.7-10 |
| Temperature (°F) | 20-50 |
| Height | 7-10 m |
| Spread | 4-6 m |
| Growth | Medium |
Description and Growing Information
| Landscape | Often used as an ornamental garden feature. |
| Propagation | Propagated by seeds or cuttings. |
| Cultivation | Grows best in sandy, loamy soils and full sun. |
| Notable Specimens | Tresco Abbey Garden, Tresco, Isles of Scilly, United Kingdom. |
| Habitat | Found on cool, east and south coasts. |
| Bark/Stem Description | The tree bark is thick and grey. |
| Leaf Description | The leaves are broad at the base and narrower at the tips. They are green with a shiny, silvery coating with short, silky hairs. They grow 10-15 cm long. |
| Flower Description | The dense flowers are round and inflorescence, growing 4-5 cm across. |
| Fruit Description | The fruit is a round and cone-like and contains many seeds. |
Photographs
Leucadendron argenteum, form. Tresco Abbey Garden, Tresco, Isles of Scilly, United Kingdom.
Leucadendron argenteum, leaf. Tresco Abbey Garden, Tresco, Isles of Scilly, United Kingdom.
Leucadendron argenteum, flower. Tresco Abbey Garden, Tresco, Isles of Scilly, United Kingdom.
Leucadendron argenteum, form. Tresco Abbey Garden, Tresco, Isles of Scilly, United Kingdom.