Jack in the Pulpit (Arisaema triphyllum)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Wildflowers

Jack in the Pulpit
Arisaema triphyllum

Flower of Jack in the Pulpit
Flower of Jack in the Pulpit
 
Features

Unusual flowers; a stalk of tiny flowers ('Jack') surrounded by a spathe (the 'pulpit'); red berries when female flowers are present.

 
 
Culture
Partial to full shade; moist to wet organic soils. 
 
Mature Height
1-3 Feet
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
USDA Hardiness Zone
4 - 9 
 
Bloom Color
Bi-color
Green
Purple
 
 
Bloom Season
April - June
 
Soil Conditions
Moist, Well-Drained
Wet
 
 
Exposure/Light Requirements
Full Shade
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 wet, shady sites.