Cordyline australis 'Purple Tower' (Purple Tower Cordyline, Purple Tower Cabbage Palm, Purple Tower Cabbage Tree, Ti Kouka, Purple Tower Torbay Palm, Purple Tower Dracaena Spike )
Botanical Information
| Family | Asparagaceae |
| Genus | Cordyline |
| Species | australis |
| Cultivar | 'Purple Tower' |
| Synonyms | Dracaena australis 'Purple Tower' |
| Category | Tropicals, Woody |
| Type | Tree (evergreen), Shrub (evergreen) |
Details
| USDA Hardiness Zone | 10a - 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) | 1 - 10 |
| Temperature (°F) | 33.8 - 50 |
| Height | 4.7 - 6 m |
| Spread | 1.8 - 2.4 m |
| Growth | Medium |
| Flowering Period | April, May, June |
Description and Growing Information
| General Description | A long-lived broadleaf evergreen. |
| Propagation | By softwood cuttings and air layering. |
| Cultivation | Full sun to partial shade. Water regularly but do not overwater. |
| Pests | Aphids, scale, spider mites and mealybugs. |
| Notable Specimens | Centennial Conservatory, Thunder Bay, Ontario, Canada. |
| Habitat | Horticultural origin. |
| Leaf Description | Stiletto shaped leaves grow up to 76 cm long and 15 cm wide. |
| Flower Description | Showy, fragrant and grow at the end of 30 cm long panicles. |
| Colour Description | Leaves are burgundy. Flowers are white. |