University of Illinois Extension
Compass Plant (Silphium laciniatum) - Wildflowers

Directory of Wildflowers

Compass Plant
Silphium laciniatum

Compass Plant
Compass Plant

Quick Profile

Exposure
Full Sun
 
Mature Height
4 - 10 Feet
 
USDA Hardiness Zones
3 - 9 
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
Soil Conditions
Moist, Well-Drained
 
Bloom Color
Yellow
 
Bloom Season
July - September
 

Features

Yellow, daisy-like flowers and deeply divided foliage whose edges tend to be oriented in a north-south direction, thus the common name.

Culture

Full sun; moist, well drained soils.

Notes

Found in prairies. Deeply taprooted, so difficult to move. Listed as threatened in Michigan and endangered in Ohio.