A clump-forming perennial with interesting blue flowers clustered together at the tips of 2-3 ft. tall, leafy stems. Flowers have a unique, 2 lipped and tubular form, appearing in late summer.
Bees, butterflies, hummingbirds, caterpillars
4 to 9
2 to 3 ft.
1 to 1.5 ft.
Partial Shade, Full Sun
Medium Soil, Wet Soil
July, August, September
Great for wet locations, requires medium to wet soil moisture. Mature hieght of the plant may vary with site conditions as drier and sunnier sites stress this moisture-loving plant. May self-seed in optimal conditions.
Care and Maintenance
This plant has little drought tolerance, so consistent soil moisture may be key on drier or sunnier sites.
Pest and Diseases
Snails and slugs may damage foliage.
Establishment and Propagation
Seed or divide mature plants in spring.
Alternative Plant Selections
Illinois native statewide
In the same genus as cardinal flower (Lobelia cardinalis) and often referred to as "blue" cardinal flower. Most mammals avoid eating this plant since it contains several toxic alkaloids.