Black Eyed Susan Vine Seed Thunbergia - alata Annual. Full sun. Blooms summer. These vigorous 5' - 10' vines with spunky orange, yellow, and white flowers makes a great ground cover, screen, window box, or hanging basket variety. A good choice anywhere a cheery, sun-loving, vine is needed. Easy to grow. When to plant outside: Sow directly outdoors after danger of spring frost has passed. When to start inside: 6 to 8 weeks before average last spring frost. Set plants out after average last spring frost. Easy to germinate. Best to plant in peat pots so roots have room and are not disturbed. When transplanting, tear bottom off pot
