Thunbergia Grandiflora
Blue Sky Vine
Plant this Thunbergia in full or filtered sun in your garden, where it will blossom with tubular blue flowers. This perennial vine requires support, so use it in an arbor or tied to a small fence. It has lovely heart-shaped leaves, and is hardy. This Thunbergia will grow to be 20 feet high and does best in organic soil.