Botanical Name: Petunia x atkinsiana (hybrid)
Hardiness: Grown as an annual, although perennial in USDA zones 10 and warmer
Plant Dimensions: 7″–10″ tall, 20″–30″ wide
Variety Information: 1½”–2″ wide flowers in shades of purple, violet, and white bicolors in widely variable patterns depending on growing conditions
Exposure: Full Sun
Bloom Period: Blooms spring to frost
Attributes: Attracts Hummingbirds, Good for Containers
When to Sow Outside: Not recommended.
When to Start Inside: RECOMMENDED. 10 to 12 weeks before your average last frost date. Ideal soil temperature for germination is 68°–85°F. Transplant outdoors after your average last frost date.
Days to Emerge: 15 – 30 Days
Seed Depth: Press into surface
Seed Spacing: A group of 3 seeds every 10″ – 15″
Thinning: When 1″ tall, thin to 1 every 10″ – 15″
Special Care: Light aids germination; do not cover with soil.