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PlantFiles: Jack In The Pulpit
Arisaema atrorubens var. zebrinum

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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

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Thumbnail #1 of Arisaema atrorubens var. zebrinum by Equilibrium

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive qodnile 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.

Regional...

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

Billerica, Massachusetts



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