This annual vine produces masses of five pointed small white flowers. Feathery or fern-like foliage reaching height of 15-20 feet with hundreds of blooms throughout the season. A favourite with hummingbirds. For sunny spots, fences or pots. Pick faded blooms to encourage further flowering. Soak seed overnight prior to planting, then sow directly to the garden in thoroughly warm soil. For earlier flowers, start indoors 4-6 weeks before the last spring frost date in your area. Full sun. Height 6-20 feet (2-6m), spread 12-18in (30-45cm).