Cotyledon undulata (silver crown)
Botanical Information
| Family | Crassulaceae |
| Genus | Cotyledon |
| Species | undulata |
| Category | Tropicals |
| Origin | Native to southern Africa. |
Details
| USDA Hardiness Zone | 11 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | >9a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H1c |
| RHS Hardiness Ref. | |
| Temperature (°C) | 5 - 10 |
| Temperature (°F) | 40 - 50 |
| Height | 0.1 - 0.5 m |
| Spread | 0.1 - 0.5 m |
| Growth | Medium |
| Flowering Period | June, July, August, September, October |
Description and Growing Information
| General Description | An upright succulent with waxy, grey-green leaves. Bell-shaped orange-pink flowers bloom atop tall stems. |
| Shape | Clumping. |
| Landscape | Rocky garden borders, in potted succulent collections or as a specimen in arid gardens. |
| Propagation | Propagation by seed or tip cuttings. |
| Cultivation | Plant in rocky, well-drained soil of any acidity and place under full sun to partial shade. |
| Pests | Snails. |
| Notable Specimens | Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. |
| Habitat | Widespread throughout but is typically confined to rocky outcrops in grassland fynbos and karoo regions. |
Photographs
Cotyledon undulata, form. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.