Jack In The Pulpit
Arisaema atrorubens var. zebrinum

Family: Araceae (a-RAY-see-ee) (Info)
Genus: Arisaema (air-uh-SEE-muh) (Info)
Species: atrorubens var. zebrinum

Category:

Perennials

Height:

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing:

9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

Hardiness:

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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)

Sun Exposure:

Light Shade

Partial to Full Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Pale Green

Green

Dark Purple/Black

Maroon (Purple-Brown)

Bloom Time:

Late Spring/Early Summer

Foliage:

Herbaceous

Other details:

Requires consistently moist soil; do not let dry out between waterings

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:

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

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Remove fleshy coating on seeds before storing

Allow unblemished fruit to ripen; clean and dry seeds

Seed does not store well; sow as soon as possible

Regional

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

Billerica, Massachusetts

Gardeners' Notes:

1
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0
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RatingContent
Positive

On May 23, 2005, qodnile from Edgerton, WI wrote:

I was at first unsucessful transplanting this from the wild. A nursery plant fared better coming back up on schedule this spring. I then discovered the 2 I planted from the wild and thought had died last year had merely gone dormant. I now have 3 beautiful unusual plants in my shade garden.