Queen of the Night (Selenicereus pteranthus)

Botanical names:
Selenicereus pteranthus Accepted
Selenicereus macdonaldiae Synonym
Selenicereus brevispinus Synonym
Selenicereus boeckmanni Synonym

General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Maximum recommended zone: Zone 11
Plant Height: 8 to 20 feet or more
Fruit: Showy
Other: To 3 inches in length.
Flowers: Showy
Other: Nocturnal
Flower Color: White
Other: Inner petals white, surrounded by narrow yellow petals.
Bloom Size: Over 12"
Flower Time: Late spring or early summer
Underground structures: Taproot
Suitable Locations: Espalier
Resistances: Humidity tolerant
Drought tolerant
Propagation: Other methods: Cuttings: Stem
Other: Allow cut end to dry out and callous over for 24 to 48 hours before planting.
Pollinators: Moths and Butterflies
Containers: Needs excellent drainage in pots
Miscellaneous: With thorns/spines/prickles/teeth

photo credit: H. Zell

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