Ipomoea alba is an impressive vine with heart-shaped leaves and huge, pure white flowers that open in the early evening, staying open all night long and closing in the late morning. The 6" wide flowers have a sweet fragrance , and they attract night-feeding sphinx moths.
Ipomoea alba can be grow on fences, trellises, arbors and pillars. Or grow it in a large container with an obelisk. It can also be grown as a groundcover .
Ipomoea alba is a tender perennial in zones 8-11. Grow as an annual elsewhere.
Nick ipomoea seeds and soak overnight. Sow outdoors after the last frost date, 1/4" deep. Start indoors 4 weeks early in short summer areas. Full sun.
Also see , White Cypress Vine and Morning Glory Seeds