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Bulbs, Perennials, Tropicals > Dahlia > Dahlia imperialis > Dahlia imperialis

Dahlia imperialis


Tree Dahlia




Origin:  Mexico and Guatemala.
Family
Asteraceae
Genus
Dahlia
Species
imperialis
Category
Bulbs, Perennials, Tropicals
USDA Hardiness Zone
7-10
Canadian Hardiness Zone
Requires cool season protection under glass.
RHS Hardiness Zone
H2- H6
Temperature (°C)
-17.8 - 4.4
Temperature (°F)
0-40
Height
2-4 m
Photographs
Description and Growing Information
Flowering Period
SeptemberOctoberNovember
Cultivation
Grows well in full sun and rich soils.
Growth
Fast
Habitat
Must be grown in sunny, humid and consistently warm areas for the plant to bloom.
Flower Description
Flower colour varies from pale pink to white and purple. The double flowers are typically 10-15 cm across.
Notable Specimens
Bok Tower Gardens, Lake Wales, Florida, United States of America.
Propagation
Propagated from tubers or cuttings. Tubers planted 10 cm apart, in full sun with space to grow. Best planted in mid-spring when the last frost has passed.
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