Alba Blackeyed Susan Vine is a frost-tender climbing vine that produces pure white flowers with distinctive dark centers throughout summer and fall. This heirloom cultivar of Thunbergia alata reaches 3 to 6 feet tall and blooms reliably from June through November in zones 9 and warmer. From seed to first bloom takes 84 to 98 days, making it fast enough for a single season of color even in shorter growing regions when started indoors.
8
Full Sun
High
9-9
72in H x 18in W
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High
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Pure white flowers with dark centers create a striking contrast that sets this variety apart from the more common golden forms. The vining habit and extended bloom window from summer into late fall make it exceptional for covering trellises, arbors, and vertical structures. It thrives in full sun with consistent moisture, and responds well to regular feeding when grown in containers, rewarding attentive gardeners with weeks of reliable flowering.
Alba Blackeyed Susan Vine excels as an ornamental climber for vertical garden structures. It drapes gracefully over trellises, arbors, and pergolas, and performs equally well in hanging baskets and containers where its vining stems can cascade. The clean white blooms with dark centers add elegant contrast to mixed plantings and work beautifully in cut arrangements.
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Sow seeds indoors 6 to 8 weeks before your last spring frost. Place seeds in warm conditions between 65 and 75°F and keep the medium consistently moist. Seedlings typically emerge within 7 to 21 days.
Transplant seedlings outdoors after all danger of frost has passed in spring, once soil has warmed. Harden off plants gradually by exposing them to outdoor conditions over several days before final planting.
Direct sow seeds outdoors after the last frost date in spring, once soil has warmed.
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