The Cypress vine will bear flowers every day from July until the end of September, though not as many as Ipomoea purpurea. The species is sown indoors and may be taken out-of-doors to the warmest and sunniest spot you can find by the end of May. It is also possible to buy the plant, though it is not widely available.
Ipomoea quamoclit (Cardinal Creeper or Hummingbird Vine or Star Glory) is a species of morning glory native to tropical regions of the New World from northern South America north to Mexico.
It is an annual or perennial herbaceous twining vine growing to 1-3 m tall. The leaves are 2-9 cm long, deeply lobed (nearly pinnate) with 9-19 lobes on each side of the leaf. The flowers are 3-4 cm long and 2 cm diameter, trumpet-shaped with five points, and can be red, pink or white; flowering is from early summer to late fall.Cypress Vine, with its tiny red flowers and delicate fern-like leaves, is a marvelous thing to have on a fence. Belonging to the same genus as the morning glory, the dainty red flowers bloom in the morning. The leaves are 3-4 in long and feather-like, finely divided pinnately into threadlike segments. The scarlet red (rarely white) flowers are tubular, about 1.5 in long, and flare out at the mouth into a five-pointed star. It is a hummingbird favorite. This annual plant produces hundreds of flowers--and thousands of seeds--usually insuring its presence from year to year. Particularly in warm locations, Cypress Vine can become invasive. However, as an annual it can be controlled if unwanted plants are removed before they set seed.Start Cypress Vine flower seeds to create a beautiful climbing vine that makes the perfect concealing screen. Cypress Vines are easy and fast to grow, and they cheer up an unsightly building or climb a trellis or pergola quickly to provide a dazzling display. This variety has star-shaped red blooms and feathery, fern-like leaves. This vine brings not only brilliant colour, but also wonderful texture.
Cypress Vine plants grow well in full sun or partial shade. They are not picky about the quality of soil, but it does need to have good drainage. Once the Cypress Vine plant is established well, it can withstand periods of drought. However, it will grow faster and have more blooms with regular water. The star-shaped flower are full of nectar and humming birds cannot resist them. Deadheading the spent blooms will encourage a prolonged bloom season. Blooms will usually start the first of summer and continue until fall. In some warm regions, Cypress Vine will grow as a perennial.
Cypress Vine flower seeds are large. Some gardeners recommend soaking the seeds in tepid water for 2 hours before sowing. This is supposed to quicken germination. Sow the Cypress Vine flower seed indoors 3 - 4 weeks before the end of frost season. Using small pots, sow the flower seeds onto moist starter mix and cover 1/8 inch with soil. Keep the Cypress Vine seed moist until germination. Transplant the seedling outdoors after danger of frost. Another method would be to directly sow Cypress Vine flower seeds outdoors after all danger of frost. Once the soil has warmed and can be loosened and weeded, sow 6 Cypress Vine flower seeds per foot. Cover with 1/8 inch garden soil, and keep them moist until germination. When seedlings emerge, thin to 9 - 12 inches apart.