Inspiring poets with its beauty, this 1800s heirloom can be enjoyed in window boxes, hanging baskets, as a ground cover, as a screen, on a trellis or fence, and decorating mailboxes and columns. You will be rewarded with lush foliage and masses of blooms all summer long in vibrant orange, yellow, and white; the colorful petals make a striking contrast to the black "eye".
• Botanical Name: Thunbergia alata
• Family: Acanthaceae
• Native: Africa
• Hardiness: Perennial USDA zones 10 and 11, otherwise grown as an annual
• Plant Dimensions: 5'–8' long vine; in frost-free areas it may reach 20'.
• Variety Information: 1"–1½" wide, vibrant white, yellow, and orange flowers, some with and some without a contrasting black "eye".
• Exposure: Full sun to part shade
• Bloom Period: Summer to frost
• Attributes: Attracts Pollinators, Cut Flower
• When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date, and when soil temperature is 65°–80°F.
• When to Start Inside: 6 to 8 weeks before your average last frost date. Transplant outside after average last frost. Use biodegradable pots to prevent root disturbance when transplanting.
• Days to Emerge: 15–20 days
• Seed Depth: ⅛"
• Seed Spacing: 1 seed every 6"
• Thinning: Not required