Family: Violaceae (vy-oh-LAY-see-ee) (Info)
Genus: Viola (vy-OH-la) (Info)
Species: x wittrockiana (wit-rok-ee-AH-nuh) (Info)
Cultivar: Delta Premium Pure Yellow
 One vendor has this plant for sale.
Category:
Annuals
Biennials
Perennials
Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness:
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)
USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
N/A
Bloom Color:
Bright Yellow
Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Mid Fall
Late Fall/Early Winter
Mid Winter
Foliage:
Evergreen
Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for drying and preserving
Provides winter interest
Suitable for growing in containers
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Unknown - Tell us
| 
