Plant profile: Moonflower (Ipomoea alba)

Ipomoea alba is a night-flowering morning glory that boasts fragrant blooms.

Ipomea Alba (Moonflower) (Illustration by Julio Figueroa)
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Ipomoea alba is a night-flowering morning glory that boasts fragrant blooms

Ipomoea alba, or moonflower, is a species of night-blooming morning glory. Native to tropical and subtropical regions of the Americas, Ipomoea’s flowers only open in the evening. The blossoms will last through the night until touched by the morning sun. However, the flowers can also stay open for longer on overcast days and during cooler ­temperatures.

Ipomoea can grow to a height of between five and 30 metres, with twining stems and long leaves. Its flowers are fragrant and can be white or pink.

Widely cultivated as an ornamental plant (for its flowers), the Ipomoea doesn’t need much ground space, as it readily climbs upwards. The plant thrives in partial sun and poor, dry soils, and requires little care and attention. Propagation is usually by seeds, which should be nicked with a file and soaked overnight before planting.