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
Family |
Asparagaceae |
Genus |
Cordyline |
Species |
australis |
Cultivar |
'Purple Tower' |
Category |
Tropicals, Woody |
Type |
Tree (evergreen), Shrub (evergreen) |
Synonyms |
Dracaena australis 'Purple Tower' |
USDA Hardiness Zone |
10a - 11 |
Canadian Hardiness Zone |
Requires cold season protection under glass. |
RHS Hardiness Zone |
H1c - H3 |
Temperature (°C) |
1 - 10 |
Temperature (°F) |
33.8 - 50 |
Height |
4.7 - 6 m |
Spread |
1.8 - 2.4 m |
General Description |
A long-lived broadleaf evergreen. |
Cultivation |
Full sun to partial shade. Water regularly but do not overwater. |
Growth |
Medium |
Pests |
Aphids, scale, spider mites and mealybugs. |
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. |
Notable Specimens |
Centennial Conservatory, Thunder Bay, Ontario, Canada. |
Propagation |
By softwood cuttings and air layering. |