Black-eyed Susan Vine, Thunbergia, 55 Seeds! BLACK EYED SUSAN VINE (Thunbergia alata) WINNER/ BUYER GETS APPX. 55 SEEDS!! Black eyed susan vine is a very nice climbing vine blooming in a mix of yellow, orange and cream. All flowers have a dark center. This flower makes an excellent hanging basket. Simply plant 3 or 4 seeds in the basket and watch them bloom