Black Jack dahlia
Dahlia 'Black Jack'
USDA zones8 to 11
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
Size3 to 4 feet tallup to 24 inches wide
- Bloom season
- Summer, autumn
- Soil types
- Sand, loam, clay
- Soil pH
- Acid, alkaline, neutral
Garden uses
Attracts
Notes
'Black Jack' dahlia (Dahlia 'Black Jack') is a perennial for borders, cut flowers, containers, and cottage gardens. It is hardy to USDA zone 8, or down to 10°F (-12°C). This plant likes full or part sun and average to moist, sandy, loamy, or clay soil. It grows about 35 to 47 inches tall and blooms in summer and again in autumn. Butterflies, hummingbirds, and bees visit the flowers.
Pairs well with Montbretia, Black-eyed Susan, Sneezeweed, and Lemongrass.