University of Illinois Extension
Directory of Wildflowers - University of Illinois Extension

Directory of Wildflowers

Blue Lobelia
Lobelia siphilitica

Flowers of Blue Lobelia
Flowers of Blue Lobelia

Quick Profile

Exposure
Partial Sun/Shade
 
Mature Height
1 - 3 Feet
 
USDA Hardiness Zones
3 - 9 
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
Soil Conditions
Moist, Well-Drained
Wet
 
Bloom Color
Blue
 
Bloom Season
August - September
 

Features

Blue flowers striped with white.

Culture

Partial shade; consistently moist to wet soils.

Notes

Found in wet sites and moist woods. Blue Lobelia will self seed.