Viola, Horned Violet, Tufted Pansy 'Black Magic'

Violacornuta

Family
Violaceae (vy-oh-LAY-see-ee)
Genus
Viola (vy-OH-la)
Species
cornuta (kor-NOO-tuh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Textured
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
Dark Purple/Black
Bloom Time
Blooms repeatedly
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
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
Patent expired
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
Regional

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

Winchester, California

Bridgewater, Massachusetts

Ann Arbor, Michigan

South Rockwood, Michigan

Coos Bay, Oregon

Black Earth, Wisconsin

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Gardener's Notes:

1
positive
1
neutral
0
negative
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J
J
Belfield, ND (Zone 4a) | April 2009 | neutral


Editor's Note

Plant Patent number 6595 has expired

D
D
Columbus, OH (Zone 5b) | April 2006 | positive

The flower is strikingly black with a very tiny yellow eye.
It's hardy to 10° and listed by the grower (Native Sons) as a perennial.

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