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
Cultivars
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Description and Growing Information
Flowering Period
| 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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