Black Truffle cardinal flower
Lobelia cardinalis 'Black Truffle'
USDA zones3 to 8
SunHandles full sun to partial sun
WaterHandles moderate to wet soil
Size3 to 4 feet tall2 to 3 feet wide
- Habit
- Erect
- Bloom season
- Summer, autumn
- Bloom color
- Deep red
Garden uses
Attracts
Notes
'Black Truffle' cardinal flower (Lobelia cardinalis 'Black Truffle') is a perennial for pollinator gardens, meadows, and rain gardens. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full or part sun and average to wet soil. Deer and rabbits usually look elsewhere for a meal. Its deep red blooms open in early to late summer and again in early to late autumn. Butterflies, hummingbirds, bees, and birds visit the flowers.
Pairs well with Pickerel weed, Royal fern, Switchgrass, and Smooth aster.