This is my first year of planting Morning Glory seeds. The variety is Clarke's Heavenly Blue, and is reknown for it's showy sky-blue blossoms, which can reach 4 inches or more in diameter.
The flower usually lasts for a single morning and dies in the afternoon.
On a cloudy day, the flower may last until night.
New flowers bloom each day.
The flowers usually start to fade a couple of hours before the petals start to show visible curling. They prefer full sun throughout the day and mesic soils.
Some Morning Glories, such as Ipomoea Muricata, are night blooming flowers, I shall plant those also next year.