Grape Knee-Hi lobelia
Lobelia 'Grape Knee-Hi'
USDA zones6 to 9
SunHandles full sun to partial sun
WaterHandles moderate to wet soil
Size18 to 24 inches tall12 to 18 inches wide
- Bloom season
- Summer, autumn
- Bloom color
- Deep purple
Garden uses
Attracts
Notes
'Grape Knee-Hi' lobelia (Lobelia 'Grape Knee-Hi') is a perennial for pollinator gardens and cottage gardens. It is hardy to USDA zone 6, or down to -10°F (-23°C). This plant likes full or part sun and average to wet soil. Deep purple flowers open in mid to late summer and last into early autumn. Butterflies, hummingbirds, bees, and birds visit the blooms. It grows 18 to 24 inches tall and 12 to 18 inches wide.
Pairs well with Joe Pye weed, Blue Angel hosta, and Fountain grass.