Botanical Name: Ipomoea sloteri
Native: Only in cultivation
Hardiness: Perennial in USDA zones 11 and 12; usually grown as an annual
Plant Dimensions: 6'–20' vine
Variety Information: ¾" wide, red, tubular flowers
Exposure: Full sun
Bloom Period: Summer to frost
Attributes: Attracts Hummingbirds, Good for Containers
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date. Plants started too early outside will end up less vigorous than plants started when warmer.
When to Start Inside: 4 to 6 weeks before transplanting outside. Sow into a biodegradable pot that can be directly planted in the ground to avoid disturbing roots.
Days to Emerge: 5–15 days
Seed Depth: 1/2"
Seed Spacing: A group of 3 seeds every 6"–12"
Thinning: When 2" tall, thin to 1 every 6"–12"
Cardinal Climber Seeds Reviews