Arisaema Species, Gaudy Jack, Jack-in-the-Pulpit, Japanese Cobra Lily

Arisaemasikokianum

Family
Araceae (a-RAY-see-ee)
Genus
Arisaema (air-uh-SEE-muh)
Species
sikokianum (si-ko-kee-AH-num)
Synonym
Arisaema magnificum
Arisaema sazensoo
Arisaema sikokianum var. integrifolium
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Smooth
Spacing
15-18 in. (38-45 cm)
Hardiness
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bloom Time
Mid Spring
Other Details
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

San Francisco, California

San Leandro, California

Grand Junction, Colorado

Clarkesville, Georgia

Winnetka, Illinois

Louisville, Kentucky

Gwynn Oak, Maryland

Jamaica Plain, Massachusetts

Littleton, Massachusetts

Newtonville, Massachusetts

Grand Rapids, Michigan

Ringoes, New Jersey

Brooklyn, New York

Apex, North Carolina

Cincinnati, Ohio

Knoxville, Tennessee

Broaddus, Texas

Keller, Virginia

Lexington, Virginia

Liberty, West Virginia

Kansasville, Wisconsin

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Gardener's Notes:

2
positives
0
neutral
0
negative
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T
Newport, NH (Zone 5a) | May 2016 | positive

What a beautiful plant! I have a few of the regular type in my woodland garden, that get huge, but I have never seen any other variety. T...Read More

C
| July 2002 | positive

This is a most unusual plant, owing to it's long spadix which is a creamy white and protrudes upward from the brownish-maroon spathe. Of...Read More

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