BLACK EYED SUSAN VINE Thunbergia Alata Flower Seeds. Slender, trailing black-eyed susan vines with dark, finely etched eyes peeking out of star-shaped 1" blooms in shades of orange, yellow and white. Hundreds of 1_" blooms. Naturally vining, perfect for hanging baskets, trellis or arbor. NAME: Black Eyed Susan Vine SCIENTIFIC NAME: Thunbergia Alata COLOR: Orange Yellow with Black Centers PLANT SEEDS: Outdoors after frost / Indoors weeks before last frost BLOOM TIME: Summer PLANT HEIGHT: 96 - 120" (Vine/Climber) PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Full Sun/Part Shade SOIL & WATER PREFERENCES: Average - Dry