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Nightblooming Cactus
Scientific Name: Hylocereus undatus (Haw.) Britton & Rose
Synonym: Cereus undatus, Cereus tricostatus, Hylocereus tricostatus
Family: Cactaceae
Nightblooming Cactus (Hylocereus  undatus)
Hylocereus undatus climbing along a cliff at Monaco's Jardin Exotique
Recommended Temperature Zone:
sunset: 19-24
USDA: 10-11

Frost Tolerance: Takes only

Minimum Avg. Temperature: 55F (12C)

Heat Tolerance: Avoid frost

Sun Exposure: Full sun to afternoon shade

Origin: Widely cultivated, origin uncertain, probably West Indies and Caribbean basin

Growth Habits: Sprawling 3-winged stems, up to 16 feet long (5 m), 1.6 to 3 inches wide (4-7.5 cm); 1 to 3 conical spines, up to 0.12 inch long (3 mm)

Watering Needs: Regular water

Propagation: Cuttings

Hylocereus undatus, Photo by Ulf Eliasson, originally collected in US Virgin Islands: St Croix, by C. Fleming

Hylocereus undatus, in Britton and Rose's The Cactaceae

Blooming Habits:

Fruiting Habits:

Ulf Eliasson's EpiBase

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