Black Eyed Susan Vine Thunbergia Alata is a twining perennial vine that is native to tropical Africa. For the best germination, Black Eyed Susan Vine seeds have to be soaked in warm water overnight. In most areas, Thunbergia Alata is grown as an annual, and the mature plant features highly decorative triangular leaves and produces masses of large, daisy-like, yellow to orange flowers with purplish black centers.
Black Eyed Susan Vine is a heavily blooming flower that is one of the best plants to grow over various structures such as trellises, arbors, flagpoles, gates, mail boxes, etc, and Black Eyed Susan Vine is also a superb flower for hanging baskets or patio containers. Thunbergia Alata seeds germinate fast produsing a vigrous climber that grows best in full sun to light shade requiring regular watering for optimum growth. Occasional trimming helps to keep Black Eyed Susan Vine growing vigorously with more blooms.
Height: 6-9 Feet
Bloom Season: Summer/Fall
Environment: Sun/Partial Shade
Soil Type: Loamy, Moist well-drained, pH 6.1-7.8
USDA Zones: 10-11 (As Perennial) All Regions of North America (As Annual)
Sow Indoors: Spring (6-8 weeks before last frost)
Sow Outdoors: Spring
Seed Depth: 1/4 Inch
Germination Time: 14-21 Days
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