How to Grow Night Blooming Cereus
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Night Blooming Cereus
Selenicereus grandiflorus
cactusNight Blooming Cereus is a sprawling epiphytic cactus known for its large, spectacular white flowers that bloom only at night and often emit a sweet fragrance. The plant produces long, thin, segmented stems with aerial roots that naturally climb trees in tropical and subtropical habitats. Despite its dramatic nocturnal blooms, it's relatively easy to cultivate indoors and makes an excellent houseplant.
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Example Night Blooming Cereus timeline · Pittsburgh, PA (Zone 6b)
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Plant Night Blooming Cereus
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Night Blooming Cereus
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10b-12; can be grown indoors anywhere or in frost-protected outdoor locations
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Get my Night Blooming Cereus timeline →Growth Stages
Establishment
4-8 weeksYoung cuttings develop roots and initial segmented growth; plant appears sparse
Keep soil lightly moist; maintain warm temperatures (65-75°F); provide bright indirect light; avoid full sun until established
Vegetative Growth
1-2 yearsStems elongate with regular segmented segments; aerial rootlets appear along the length; plant develops climbing or trailing form
Water when top inch of soil dries; feed monthly with diluted cactus or low-nitrogen fertilizer; provide support structure; increase light gradually
Maturation
1-2 yearsPlant reaches sufficient size and vigor; segments thicken; plant may produce lateral branches
Maintain consistent watering and feeding; ensure adequate light; provide vertical support; cool winter rest period promotes flowering
Flowering
Buds develop over weeks; individual flowers last one night onlyLarge unopened buds emerge along stem segments; buds swell over several days; flowers open after sunset with prominent yellow stamens and white petals
Provide cool winter dormancy (50-60°F for 4-6 weeks); reduce watering in winter; this triggers flowering; handle buds carefully to prevent drop
Post-Flowering
Varies; fruit maturation 4-6 weeksFlowers fade by dawn; spent flower tissues shrivel; red oblong fruits may develop if cross-pollinated
Resume warmer temperatures and regular watering; continue fertilizing; hand-pollinate flowers if fruit production desired; fruit ripens over weeks
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with neem oil or insecticidal soap; isolate affected plants; inspect regularly; wipe stems with alcohol-soaked cotton swabs
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Increase humidity; spray with water to dislodge; use miticide or neem oil if severe; improve air circulation
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Remove manually with soft brush; treat with horticultural oil or insecticidal soap; repeat treatments necessary
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Improve drainage; reduce watering frequency; repot in fresh dry soil if roots are soft; allow soil to dry between waterings
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Remove affected segments with sterile knife; allow cuts to air-dry before repotting; reduce humidity; improve ventilation
Uses
Edible Fruit Production
CulinaryNight Blooming Cereus produces ornamental red berries with sweet, edible pink flesh inside, similar to dragon fruit. The fruits can be eaten fresh or used in beverages and desserts. [source]
Traditional Medicine
MedicinalIn Latin America and Asia, Selenicereus species have been used in traditional medicine to support heart health and regulate blood pressure. Some preparations are used for their potential anti-inflammatory properties. [source]
Indoor Air Quality
HouseholdLike many cacti, Night Blooming Cereus performs photosynthesis at night and releases oxygen, making it an excellent choice for bedroom air quality improvement. [source]
Ornamental Houseplant
CraftIts dramatic nocturnal blooms and trailing growth habit make it a prized specimen plant for collectors and gardeners; the fragrant flowers are exceptional cut flowers for the few hours they last. [source]
Pollinator Attraction
WildlifeThe large fragrant white flowers attract night-flying pollinators including moths, bats, and night insects, supporting local wildlife in outdoor tropical gardens. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Flowers bloom only at night (typically 8 PM to 3 AM) and last a single evening; stay awake to observe or photograph the remarkable blooms. If fruits develop (red, spiky berries), they ripen 4-6 weeks after flowering and contain edible flesh similar to dragon fruit; harvest when skin turns bright red and fruit softens slightly. Propagate by taking 6-12 inch stem cuttings after flowering; allow cuts to dry 2-3 days before planting.
Fun Facts
- 🌱 Night Blooming Cereus flowers are pollinated primarily by sphinx moths and bats in their native habitat; the flowers emit a strong vanilla-like fragrance only at night to attract these nocturnal visitors.
- 🌱 The flowers are among the largest and most fragrant of any cactus species, with blooms reaching 6-12 inches across; they've inspired common names like 'Queen of the Night' in various cultures.
- 🌱 The plant is an epiphytic cactus, meaning it naturally grows on trees in tropical rainforests rather than in desert soil, which explains its preference for well-draining orchid-like potting mixes and moderate watering compared to typical desert cacti.
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