Botanical Name: Viola wittrockiana
Native: Only in cultivation
Hardiness: Perennial in USDA zones 6–10; often grown as a frost-tolerant annual; transplanted in late summer/fall for blooms in fall, winter, and the following spring.
Plant Dimensions: 6"–8" tall
Variety Information: 3" flowers in mixed shades of blue, some with blotches.
Exposure: Full sun to part shade
Bloom Period: 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"