tree dahlia
Dahlia imperialis
USDA zones8 to 11
SunNeeds full sun (6+ hours)
Size2 to 4 feet tall12 to 24 inches wide
- Bloom season
- Autumn, winter
- Bloom color
- Purple
Notes
Tree dahlia (Dahlia imperialis) is a bulb for specimen planting, containers, and subtropical garden features. It is hardy to USDA zone 8, or down to 10°F (-12°C). This plant likes full sun. It is a late bloomer with single, lavender flowers that open in autumn and winter. Grow it in a large pot if you want to move it indoors to a bright window, where it will usually flower in winter.
Pairs well with Olive, Tuberose, and Lemon Grass lemongrass.
Native range
Guatemala to Culumbia.