(Ipomoea tricolor) Selected from the same tricolor species as the Heavenly Blue morning glory, Pearly Gates was available to US gardeners in 1940. The blooms are 3-4 inches across and pure white, set off nicely by deep green heart shaped leaves. Beautiful and delicate, the flowers close when the heat of the day sets in. Beautiful growing on an arbor or trellis. Most/full sun - Climbs to 10 feet - Grow as Annual (tender perennial) - 20+ seeds.