Native to Central America. Strong vine flowering in spring and early summer. Flowers are good for cutting. This plant is attractive to bees, butterflies, and birds. USDA Zone 10a: to -1.1 °C (30 °F)
Soak seeds 24 hours. then sow seeds on top of the seed substrate and lightly cover with a medium. Keep moist in a bright spot. Do not cover with plastic but maintain a temperature around 65-75F. Germination 30-60 days but can take much longer.