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- Sprouts 2023 Plants
Thunbergia, or Black Eyed Susan Vine, is a vigorous and lovely trailing plant. The vibrant, green vine is covered in striking blooms with dark centers and can grow up to three to five feet, sometimes longer. Thunbergia grows best in moist, rich, and well-draining soil in full sun. Stunning in trellises, pots, and hanging baskets.