Arisaema Species, Cobra Lily, Kyushu Japanese Jack-in-the-Pulpit
Arisaemakiushianum

Family: Araceae (a-RAY-see-ee)
Genus: Arisaema (air-uh-SEE-muh)
Species: kiushianum (kee-yoo-see-AH-num)

Synonym:Flagellarisaema kiushianum

Category
Bulbs
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade

Foliage
Herbaceous
Smooth
Velvet/Fuzzy

Foliage Color

Height
12-18 in. (30-45 cm)

Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color
Scarlet (dark red)
Green
Pale Green
Chartreuse (yellow-green)
Maroon/Burgundy
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer

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
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; germinate in a damp paper towel

Seed Collecting
Remove fleshy coating on seeds before storing
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored