Flowering vines are plants that grow up walls, trellises, and other structures, often producing beautiful flowers. Wisteria is a popular flowering vine with 8 letters, which is a genus of flowering plants in the pea family Fabaceae. It is native to China, Korea, and Japan, and can be found in temperate CLIMATES. Sweetpea is another 8 letter flowering vine, which is a flowering plant in the genus Lathyrus in the family Fabaceae. It is native to Sicily, Cyprus, and the Aegean Islands, and can be grown in many different CLIMATES.