Jacob's Ladder (Polemonium reptans)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Wildflowers

Jacob's Ladder
Polemonium reptans

Jacob's Ladder in flower
Jacob's Ladder in flower
 
Features

Small blue flowers and foliage arranged like rungs on a ladder.

 
 
Culture
Partial shade; consistently moist soils. 
 
Mature Height
8-18 Inches
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
USDA Hardiness Zone
3 - 8 
 
Bloom Color
Blue
 
 
Bloom Season
April - June
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Partial Sun/Shade
 
 
Pests and Problems

Environmental Damage


Additional pests and problems that may affect this plant:

No serious insect or disease problems.
 
Additional Notes
Found in moist woods. Listed as threatened in Michigan.