Family: Violaceae (vy-oh-LAY-see-ay) (Info)
Genus: Viola (vy-OH-la) (Info)
Species: x wittrockiana (wit-rok-ee-AH-nuh) (Info)
Cultivar: Black Prince
Category:
Annuals
Biennials
Height:
6-12 in. (15-30 cm)
Spacing:
12-15 in. (30-38 cm)
Hardiness:
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)
USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure:
Sun to Partial Shade
Danger:
N/A
Bloom Color:
Dark Purple/Black
Bloom Time:
Late Winter/Early Spring
Late Fall/Early Winter
Mid Winter
Foliage:
Herbaceous
Other details:
Provides winter interest
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Propagation Methods:
From seed; direct sow outdoors in fall
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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