Arisaema Species, Blume's Cobra Lily, Intermediate Jack-in-the-Pulpit

Arisaemaintermedium

Family
Araceae (a-RAY-see-ee)
Genus
Arisaema (air-uh-SEE-muh)
Species
intermedium (in-ter-MEE-dee-um)
Synonym
Arisaema dolosum
Arisaema stracheyanum
Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
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)
Bloom Color
Pale Green
Chartreuse (yellow-green)
Medium Purple
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Bulbs
Perennials
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
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; 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
Regional

Featured Videos

Gardener's Notes:

1
positive
0
neutral
0
negative
Sort By:
Sort By:
A
Burnaby, BC (Zone 7b) | November 2009 | positive

Very easy. Grown in part-shade to shade.

Wicked, twisted, umbrella-like foliage.

Sinister flower.

Featured
Painted Lady
(Vanessa cardui)
Rattling Cisticola
(Cisticola chiniana)
Featured
Painted Lady
(Vanessa cardui)
Rattling Cisticola
(Cisticola chiniana)