Seeds from Campsis radicans Golden Trumpet Creeper Flava or Trumpet creeper Indian Summer, that climbs vigorously using aerial roots and has deeply veined, dark-green leaves and clusters of brilliant-yellow, trumpet-shaped flowers. Flava tolerates a wide range of conditions and adds vibrant color to the garden in summer and fall. This perennial vine is hardy in zones 4-9 Grows best in full sun to part shade and likes moist soil Will grow 30 to 40 ft. Zones 4-10.