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Jack-in-the-Pulpit, Asian Green Dragon
Arisaema amurense

Family: Araceae (a-RAY-see-ee) (Info)
Genus: Arisaema (air-uh-SEE-muh) (Info)
Species: amurense (am-or-EN-see) (Info)
Synonym:Arisaema komarovii
Synonym:Arisaema robustum

Category:

Bulbs

Perennials

Height:

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing:

15-18 in. (38-45 cm)

Hardiness:

USDA Zone 5b: to -26.1 C (-15 F)

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)

Sun Exposure:

Light Shade

Partial to Full Shade

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Maroon (Purple-Brown)

White/Near White

Bloom Time:

Mid Spring

Foliage:

Smooth-Textured

Other details:

Average Water Needs; Water regularly; do not overwater

This plant may be considered a protected species; check before digging or gathering seeds

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; sow indoors before last frost

From seed; direct sow after last frost

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

Seed does not store well; sow as soon as possible

Regional

This plant has been said to grow in the following regions:

Ashdown, Arkansas

Littleton, Massachusetts

Gardeners' Notes:

No details have been posted.