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

Arisaema mayebarae

Family
Araceae (a-RAY-see-ee)
Genus
Arisaema (air-uh-SEE-muh)
Species
mayebarae (my-eh-BAR-ay)
Synonym
Arisaema serratum var. mayebarae
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Deciduous
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 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)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Dark Purple/Black
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
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; stratify if sowing indoors
Direct sow as soon as the ground can be worked
Seed Collecting
Remove fleshy coating on seeds before storing
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored
Regional

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

Huntsville, Alabama

San Leandro, California

Bridgewater, Massachusetts

Lewisberry, Pennsylvania

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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T
Huntsville, AL (Zone 7a) | April 2009 | neutral

I would say positive, but I lost the first one and wish I'd had a little more info on their drainage needs. The second mayebarae (which ...Read More

G
Bridgewater, MA (Zone 6b) | May 2006 | positive

A dramatic Japanese woodlander, the mayebarae varietal of Arisaema serratum is hard to come by in the American nursery trade. It seems t...Read More

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