Thunbergia alata, commonly called black-eyed Susan vine, is native to tropical areas of East Africa. It is a tropical evergreen twining vine that eventually climbs to 20’ in frost free areas. As an annual in our area, it will grow to 3-6+’ tall in a single season. Features ovate-triangular toothed green leaves and up to 2" orange-yellow flowers with 5 spreading petal lobes and dark throats. Blooms in summer to fall, but best bloom is often in late summer and fall after the hot summer temperatures moderate.
