Thunbergia alata--Black-Eyed Susan Vine, Clockvine
Thunbergia alata--Black-Eyed Susan Vine, Clockvine
Clockvine can be used in hanging pots or window boxes. The plant has a vine type growth habit and may reach a length of five feet. Grow clockvine in a sheltered spot exposed to sun or partial shade. The plant needs a well drained and not too heavy soil. Clockvine dies at the first hint of frost.
Propagation is by cuttings or seed. Softwood cuttings root readily. The seed germinates in 10 to 15 days at 70 to 75 degrees. Cover the seed with about one fourth inch of growing media. The seeds can be started either indoors or outside.
