Botanical Name: Catharanthus roseus
Hardiness: Perennial in USDA zones 10 and warmer; usually grown as an annual. Frost-sensitive.
Plant Dimensions: 10"–14" tall, 6"–8" wide
Variety Information: 1 ½"–2" blossoms in orange, cranberry, pink, and red.
Exposure: Full sun
Bloom Period: Late spring to frost
Attributes: Deer Resistant, Attracts Pollinators, Drought Tolerant
When to Sow Outside: Not recommended.
When to Start Inside: RECOMMENDED. 8 to 10 weeks before your average last frost date, and when soil temperature is 75°–80°F. Transplant outdoors when soil temperature is above 65°F.
Days to Emerge: 7–15 days
Seed Depth: ⅛"
Seed Spacing: A group of 3 seeds every 6"
Thinning: When 1" tall, thin to 1 every 6"
Special Care: Darkness aids germination; sow at recommended depth.