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Queen of the Night
Scientific Name: Selenicereus hamatus (Scheidw.) Britton & Rose
Synonym: Cereus rostratus
Family: Cactaceae
Queen of the Night (Selenicereus  hamatus)
Selenicereus hamatus, stem, in Britton and Rose's The Cactaceae
Recommended Temperature Zone:
USDA: 10-11

Frost Tolerance: Avoid frost

Minimum Avg. Temperature: 60F (15C)

Heat Tolerance: Needs extra humidity in Phoenix

Sun Exposure:

Origin: Mexico (Gulf of Mexico coast: Veracruz)

Growth Habits: Climbing or clambering, with greyish woody main stems, with many ramifications; growing stems are light green, 0.8 inches in diameter (2 cm), with a conical tubercle between the areoles; 4 ribs; young stems have a few silky white spines up to 0.24 inch (6 mm), fewer brown ones in older stems

Watering Needs: Keep the soil moist and well drained.


Selenicereus hamatus, flower, in Britton and Rose's The Cactaceae

Cultural Practices:
Use orchid substrate.

Blooming Habits:
Large white flowers, with outside segments light green, 10 to 12 inches long or more, followed by edible, spiny ovoid, greenish fruits

Fruiting Habits:

Las Cactaceas de Mexico

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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