Tender perennial that is winter hardy to USDA Zones 10-11 where it may be left in the ground year-round. In other zones, it is grown as an annual vine. It is easily grown in average, medium, well-drained soils in full sun. Plant seed directly in the garden after last frost date or start seeds indoors 6-8 weeks earlier. Needs a sturdy support structure on which to grow due to the weight of the vine at maturity. Collect seed in fall for planting the following year.
