Botanical Name: Viola wittrockiana
Native: Only in cultivation
Hardiness: Frost-tolerant perennial in USDA zones 6–10; often grown as an annual. Reseeds readily.
Plant Dimensions: 6"–9" tall
Variety Information: 2"-2½" flowers in a wide range of colors including blue, purple, yellow, apricot, orange, mahogany, red, white, and bi-colors. Most have "faces" or are blotched.
Exposure: Full sun to part shade
Bloom Period: Blooms heaviest in cool weather.
Attributes: Deer Resistant, Edible Flower
When to Sow Outside: RECOMMENDED. Cold Climates: 4 to 6 weeks before your average last frost date, or midsummer for fall and the following spring bloom. Mild Climates: Late summer for cool–season blooms.
When to Start Inside: 8 to 10 weeks before your average last frost date for early spring planting, and midsummer for fall planting in both mild and cold climates.
Days to Emerge: 7–20 days
Seed Depth: ⅛"
Seed Spacing: A group of 3 seeds every 4"–6"
Thinning: When ½–1" tall, thin to 1 every 4"–6"
Harvesting: For longest vase life, harvest flowers in the morning, just as flower buds begin to open.