Botanical Name: Cosmos bipinnatus
Native: Mexico and Arizona
Plant Dimensions: 20"–25" tall
Variety Information: 2"–2½" soft-yellow blooms with white at the center and petal edges; single petaled and some with a wreath of shorter petals in the center.
Exposure: Full sun
Bloom Period: Summer to frost
Attributes: Attracts Hummingbirds, Attracts Pollinators, Cut Flower, Drought Tolerant
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date, and when soil temperature is at least 60°F.
When to Start Inside: 4 to 6 weeks before your average last frost date.
Days to Emerge: 5–10 Days
Seed Depth: Barely cover
Seed Spacing: A group of 3 seeds every 12"
Thinning: When 1"–2" tall, thin to 1 every 12"
Xanthos Cosmos Seeds Reviews