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

FamilyAsparagaceae
GenusCordyline
Speciesaustralis
Cultivar'Purple Tower'
SynonymsDracaena australis 'Purple Tower'
CategoryTropicals, Woody
TypeTree (evergreen), Shrub (evergreen)

Details

USDA Hardiness Zone10a - 11
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1c - H3
RHS Hardiness Ref.
Temperature (°C)1 - 10
Temperature (°F)33.8 - 50
Height4.7 - 6 m
Spread1.8 - 2.4 m
GrowthMedium
Flowering PeriodApril, May, June

Description and Growing Information

General DescriptionA long-lived broadleaf evergreen.
PropagationBy softwood cuttings and air layering.
CultivationFull sun to partial shade. Water regularly but do not overwater.
PestsAphids, scale, spider mites and mealybugs.
Notable SpecimensCentennial Conservatory, Thunder Bay, Ontario, Canada.
HabitatHorticultural origin.
Leaf DescriptionStiletto shaped leaves grow up to 76 cm long and 15 cm wide.
Flower DescriptionShowy, fragrant and grow at the end of 30 cm long panicles.
Colour DescriptionLeaves are burgundy. Flowers are white.

Photographs