Guide botanique
Dragon Fruit.
Selenicereus undatus
Prononciation seh-len-ih-SEE-ree-us un-DAY-tus
Aussi appelée Nightblooming Cactus

This stunning climbing cactus produces vibrant, scale covered fruit that looks just like a dragon. It thrives in warm, sunny spots and loves to scramble over trellises. You will enjoy its massive, fragrant white flowers that bloom only at night.

En un coup d'œil
- Niveau d'entretien
- Moyenne
- Type de plante
- Cactus
- Lumière
- Full sun
- Lumière en intérieur
- Soleil direct
- Arrosage
- Tous les 7 à 14 jours
- Taille adulte
- 20 feet
- Croissance
- Rapide
- Rusticité
- USDA 10 à 12
- Floraison
- Late spring to early autumn
Entretien
Provide a sturdy trellis for this plant to climb as it grows quite heavy. Watch for yellowing stems which often signal too much moisture in the soil. Ensure the plant gets plenty of sun to encourage fruit production.
- Arrosage
- Let the soil dry out significantly between waterings to prevent root rot.
- Engrais
- Feed with a balanced fertilizer during the active growing season.
- Taille
- Trim back long stems to encourage branching and keep the plant manageable.
- Rempotage
- Move to a larger container once the roots fill the current pot.
- Sol
- Well draining cactus mix
- pH du sol
- 6.0 to 7.0
- Température
- 10 à 35°C
- Humidité
- 40 à 70%
- Résistance à la sécheresse
- Moyenne
- Durée de vie
- Perennial, typically 10 to 20 years
- Parfum
- Fort
- Résistance aux chevreuils et lapins
- Moyenne
Signes qu'il faut rempoter
- Roots growing out of the drainage holes
- Stunted growth during the active season
- Soil drying out too quickly after watering
Sécurité
- Humains
- The plant is non toxic to humans, though the spines can cause mechanical irritation.
- Enfants
- Keep away from small children due to the sharp spines on the stems.
- Allergènes de contact
- The small spines on the stems can cause skin irritation upon contact.
- Allergènes aéroportés
- There are no notable respiratory allergens associated with this plant.
- Comestibilité
- Ensure fruit is sourced from reliable growers to avoid potential pesticide residues on the skin.
Comment l'identifier
- Three sided succulent stems
- Small spines along stem ridges
- Large white nocturnal flowers
- Bright pink scaly fruit
- White flesh with tiny seeds
- Hauteur
- 3 à 6m
- Envergure
- 1 à 3m
- Feuilles
- green, evergreen
- Fleurs
- white, yellow, 15 à 30cm
- Fruits
- pink, red, Summer to autumn
Problèmes courants
- Mealybugs — Small white cottony insects that feed on plant sap.
- Stem rot — Fungal decay caused by excessive moisture or poor drainage.
La cultiver
- Multiplication
- cuttings, seed
- Quand planter
- spring, summer
- Hivernage
- Move the plant indoors or into a greenhouse if temperatures drop below 10 degrees Celsius. Keep the soil drier during the winter months to prevent root rot.
- En pot
- It grows well in large containers with a minimum size of 20 liters to accommodate its root system.
Stem Cuttings
- 1. Cut a healthy stem segment about 20 centimeters long.
- 2. Allow the cut end to callous over for several days in a dry place.
- 3. Insert the calloused end into a well draining cactus potting mix.
- 4. Keep the soil lightly moist until roots develop.
Pair with other succulents that enjoy bright light and infrequent watering to simplify your care routine.
Bonnes associations
- Aloès — They share similar light and water requirements.
- Plante de jade — Both plants thrive in well draining soil and bright conditions.
Espèces similaires
- Selenicereus megalanthus — It is a closely related species that produces yellow skinned fruit.
Science
- Famille
- Cactaceae
- Genre
- Selenicereus
- Ordre
- Caryophyllales
- Classe
- Magnoliopsida
- Région d'origine
- Central and South America
- Préservation
- This species is widely cultivated and not considered threatened in its native range.
It grows as an epiphyte or lithophyte in tropical forests, using its roots to climb trees or rocks for better light access.
- Intérêt pour la faune
- nectar source
- Pollinisateurs
- papillons de nuit, abeilles
- Utilisations
- ornamental, culinary fruit, container plant
Au fil des saisons
Repères écologiques
- Salinité
- 2/9
- Réaction du sol
- 6/9
- Lumière
- 8/9
- Température
- 8/9
- Humidité
- 4/9
- Nutriments
- 5/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- Does it need a trellis?
- Yes, as a climbing cactus it requires sturdy support to grow properly.
- How often should I water it?
- Water when the top few centimeters of soil feel dry to the touch.
D'où vient le nom
Selenicereus comes from the Greek word for moon, referring to its nocturnal blooms. Undatus refers to the wavy margins of the stems.
Bon à savoir
- The fruit is commonly known as dragon fruit or pitaya.
- It is a climbing cactus that uses aerial roots to attach to surfaces.
- The plant can produce multiple crops of fruit in a single season.
- It thrives in tropical climates with high light intensity.
Ta plante a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.
