University of Illinois Extension
Cardinal Flower (Lobelia cardinalis) - Wildflowers

Directory of Wildflowers

Cardinal Flower
Lobelia cardinalis

Cardinal Flower growing in a wetland
Cardinal Flower growing in a wetland

Quick Profile

Exposure
Partial Sun/Shade
 
Mature Height
2 - 4 Feet
 
USDA Hardiness Zones
3 - 9 
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
Soil Conditions
Moist, Well-Drained
Wet
 
Bloom Color
Red
 
Bloom Season
July - September
 

Features

Scarlet red flowers on long spike-like clusters.

Culture

Partial shade; consistently moist to wet soils. Plant can tolerate growing in standing water.

Notes

Found in wet sites. Cardinal Flower can be a short lived perennial, so it should be allowed to go to seed.