Calonyction aculeatum, Ipomoea alba, Giant moonflower

Calonyction aculeatum, Ipomoea alba

Giant moonflower
Family: Convolvulaceae
Origin: Tropical America
Vine or creeper plantSemi-shadeFull sunModerate waterRegular waterWhite, off-white flowersInvasive plantPlant attracts butterflies, hummingbirdsFragrant plant

When grown in their native climates, moonflowers (Calonyction aculeatum) prefer a full sun to semi-shade position and need regular water. In cooler regions, the vine should be grown in a container and placed in a warm, sheltered area of the garden. It needs to be watered regularly with moderate amount of water throughout its growing season. In winter, reduce watering and move the pot to a frost-free area.

Its trumpet-shaped, white or off-white flowers bloom in the evening and are very fragrant, thus it attracts various butterflies and hummingbirds. Be aware that this flower is considered invasive in some areas and its spread should be monitored carefully. It is best grown in USDA Zones 9-11.

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