Guide botanique
Tiger orchid.
Grammatophyllum speciosum
Prononciation gram-uh-toh-FILL-um spee-SEE-oh-sum
Aussi appelée Giant Orchid, Sugar Cane Orchid, Tiger Orchid

The tiger orchid is a massive, stunning epiphyte known for being the largest orchid species in the world. It produces long, arching sprays of yellow flowers covered in striking brown spots. You'll find it growing naturally in the tropical rainforests of Southeast Asia.

En un coup d'œil
- Niveau d'entretien
- Difficile
- Type de plante
- Epiphytic orchid
- Lumière
- Bright filtered light
- Lumière en intérieur
- Lumière vive indirecte
- Arrosage
- Tous les 3 à 7 jours
- Taille adulte
- 25 feet
- Croissance
- Moyenne
- Rusticité
- USDA 10 à 12
- Floraison
- Late spring to summer
Entretien
This orchid needs plenty of space and high humidity to thrive. Keep an eye out for shriveled pseudobulbs, which indicate it needs more consistent moisture. Ensure it has excellent drainage to prevent root rot in its heavy root mass.
- Arrosage
- Keep the potting medium consistently moist but never soggy.
- Engrais
- Use a balanced orchid fertilizer during the active growing season.
- Taille
- Remove spent flower spikes once they have completely withered.
- Rempotage
- Repot only when the plant has clearly outgrown its container.
- Sol
- Orchid bark mix
- pH du sol
- 5.5 to 6.5
- Température
- 15 à 32°C
- Humidité
- 60 à 90%
- Résistance à la sécheresse
- Faible
- Durée de vie
- Perennial, can live for many decades with proper care.
- Résistance aux chevreuils et lapins
- Moyenne
Signes qu'il faut rempoter
- Roots growing over the edge of the container.
- Potting medium breaking down into fine dust.
- The plant becoming unstable in its current pot.
Sécurité
- Humains
- There are no reports of toxicity, but it is not intended for human consumption.
- Enfants
- Keep this massive plant away from small children to prevent injury from its heavy, woody pseudobulbs.
- Allergènes de contact
- The plant is not known to cause skin irritation.
- Allergènes aéroportés
- There are no known airborne allergens associated with this orchid.
- Comestibilité
- This plant is not considered edible and should not be consumed.
Comment l'identifier
- Massive pseudobulbs reaching several feet
- Long, strap like leathery leaves
- Large yellow flowers with brown spots
- Extremely thick and heavy root system
- Hauteur
- 1,5 à 3m
- Envergure
- 1 à 2m
- Feuilles
- dark green, evergreen
- Fleurs
- yellow, brown, maroon, 7 à 10cm
Problèmes courants
- Scale insects — Small sap sucking insects that hide under leaves.
- Root rot — Occurs when the potting medium stays too wet for too long.
La cultiver
- Multiplication
- division, seed
- Quand planter
- spring
- Hivernage
- Keep the plant in a warm, frost free environment throughout the winter. Reduce watering slightly but maintain high humidity.
- En pot
- It requires a very large, sturdy container or wooden crate to support its immense weight.
Division
- 1. Wait until the plant has finished blooming.
- 2. Carefully remove the plant from its container.
- 3. Use a sterilized blade to separate the pseudobulbs.
- 4. Ensure each division has at least three healthy bulbs.
- 5. Pot the divisions in a coarse, well draining orchid mix.
Group this orchid with other tropical epiphytes that enjoy consistent moisture and warmth.
Bonnes associations
- Asplenium nidus — They share similar high humidity and shade requirements.
Espèces similaires
- Grammatophyllum scriptum — A smaller relative that is much easier to manage in a collection.
Science
- Famille
- Orchidaceae
- Genre
- Grammatophyllum
- Ordre
- Asparagales
- Classe
- Liliopsida
- Région d'origine
- Southeast Asia, including Malaysia, Indonesia, and the Philippines.
- Préservation
- It is protected under CITES Appendix II due to overcollection in the wild.
It survives in the wild by growing on large tree branches where it captures nutrients from decaying organic matter.
- Intérêt pour la faune
- nectar source
- Pollinisateurs
- abeilles
- Utilisations
- ornamental specimen, botanical garden display
Au fil des saisons
Repères écologiques
- Salinité
- 1/9
- Réaction du sol
- 6/9
- Lumière
- 7/9
- Température
- 8/9
- Humidité
- 7/9
- Nutriments
- 5/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- How much light does it need?
- It prefers bright, filtered light to bloom well.
- Can I grow it indoors?
- Only if you have a very large greenhouse, as it is far too big for a typical home.
D'où vient le nom
The name Grammatophyllum comes from the Greek words for letter and leaf, referring to the markings on the flowers.
Bon à savoir
- It is commonly called the Tiger Orchid due to its spotted flower pattern.
- The plant can grow to be truly massive, requiring significant space.
- It often grows as an epiphyte on large trees in its native range.
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.
