Dolichos Lablab or Hyacinth Bean is a fast growing vine, 30' in one season. What you see in the 2nd picture, is the plant of 1 seed. It grew to this size in only 4 months and is still growing. It covers a whole fence very quickly, even on the backside and fills the air with a pleasant fragrant. DL is grown as an annual or a short lived perennial from zone 9 and up. The beans are edible and the plant is self seeding.
Grow in mid spring 1/4' deep. Tolerates drough and poor soil. Grows in sunny and partial shade location.