description Ipomoea alba (Moonflower) Overview
Ipomoea alba, commonly known as moonflower, is a night-blooming vine in the Convolvulaceae family, native to tropical and subtropical regions of the Americas. The plant produces large, white flowers up to 15 cm in diameter that unfurl rapidly in the evening and remain open throughout the night before wilting the following morning. These fragrant blooms evolved to attract night-flying moths as pollinators. The vine grows rapidly through twining stems and is frequently cultivated as an ornamental annual in temperate regions, though it persists as a perennial in frost-free climates.
help Ipomoea alba (Moonflower) FAQ
What time do Ipomoea alba moonflowers open?
The tightly furled buds usually open rapidly around dusk and remain open through the night. Individual white flowers generally close after sunrise and last only one night.
Are moonflower vine seeds poisonous?
Yes, Ipomoea alba seeds and other plant parts should not be eaten. Keep them away from children, dogs, cats, and livestock.
Is Ipomoea alba the same plant as Datura moonflower?
No, Ipomoea alba is a climbing morning-glory relative, while Datura species are free-standing herbaceous plants with trumpet flowers. Both may be called moonflower, so the botanical name is important when buying seeds.
Why is my moonflower vine growing leaves but not blooming?
Too much nitrogen can favor foliage over flowers, while a late start can delay blooming in a cool climate. Ipomoea alba needs warmth, sun, and a long growing season, so northern gardeners often start seeds indoors.
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