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. |