Photo by Melody

PlantFiles: Pansy
Viola x wittrockiana 'Black Jack'

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Family: Violaceae (vy-oh-LAY-see-ee) (Info)
Genus: Viola (vy-OH-la) (Info)
Species: x wittrockiana (wit-rok-ee-AH-na) (Info)
Cultivar: Black Jack

12 members have or want this plant for trade.

Category:
Annuals
Tropicals and Tender Perennials

Height:
under 6 in. (15 cm)

Spacing:
6-9 in. (15-22 cm)

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Dark Purple/Black

Bloom Time:
Blooms repeatedly

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

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 the rootball
From herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost
By stooling or mound layering

Seed Collecting:
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Bug_Girl
Thumbnail #1 of Viola x wittrockiana by Bug_Girl

By DebiBloss
Thumbnail #2 of Viola x wittrockiana by DebiBloss

By Bug_Girl
Thumbnail #3 of Viola x wittrockiana by Bug_Girl

By mystic
Thumbnail #4 of Viola x wittrockiana by mystic

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive DebiBloss On Aug 19, 2003, DebiBloss from Tacoma, WA wrote:

I bought a couple of these last Halloween. They have been blooming ever since. It does get leggy, then I cut it back. The offspring, from self seeding, have small lighter purple blooms. I don't know if it will stop blooming, and this annual has been going for 10 months now....

Regional...

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

Ferndale, California
San Francisco, California
Nabb, Indiana
Rocky Ripple, Indiana
Ewing, Kentucky
Tacoma, Washington



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