Dainty, star-like creamy white flowers are sweetly scented and completely cover this vigorous vine late in the season, makes a fabulous screen; keep the roots cool for best results; can grow up to 20 feet; attractive silver seed heads. Vase Vine Clematis is covered in stunning lightly-scented creamy white star-shaped flowers with yellow anthers at the ends of the branches from late summer to late fall. It has green foliage throughout the season. The glossy compound leaves do not develop any appreciable fall color. The fruit is not ornamentally significant.