Selenicereus Species, Queen of the Night
Selenicereusgrandiflorus

Family: Cactaceae (kak-TAY-see-ee)
Genus: Selenicereus (sel-ee-nih-KER-ee-us)
Species: grandiflorus (gran-dih-FLOR-us)

Synonym:Cereus grandiflorus

Synonym:Cereus grandiflorus var. armatus

Category
Edible Fruits and Nuts
Vines and Climbers
Cactus and Succulents

Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Sun to Partial Shade
Light Shade

Foliage

Foliage Color

Height
30-40 ft. (9-12 m)

Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow
Can be grown as an annual
Suitable for growing in containers

Danger
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
Pale Yellow
White/Near White
Cream/Tan

Bloom Characteristics
Flowers are fragrant

Bloom Size

Bloom Time
Mid Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
From woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored