
Image: AI generated
Tall Xeilyathum Plant Care
Xeilyathum altissimum Raf.
Updated · Sources · How we source care data
With its strikingly tall stalks of vibrant pink flowers, Xeilyathum altissimum is a showstopper in any garden. Originating from the tropical forests of South America, this plant is highly sought after by collectors for its unusual beauty and rarity. The unique combination of towering height and intense coloration makes Xeilyathum altissimum a must-have for any plant enthusiast looking to make a statement in their garden.
Every 5–7 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Tall Xeilyathum?
Water Tall Xeilyathum every 5–7 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 50–70% humidity. Fertilize it every 2 months during the growing season.
Where Is the Tall Xeilyathum Native To?
What Is the Tall Xeilyathum?
Tall Xeilyathum (Xeilyathum altissimum) belongs to the Orchidaceae family within the Xeilyathum genus. Tall Xeilyathum is native to the West Indies, with an 18th-Century citation from Jamaica.
Tall Xeilyathum displays an epiphytic, clumping orchid growth habit, reaching up to 6 ft tall with a spread of approximately 3 ft. Tall Xeilyathum produces colorful, fragrant blooms in various shapes and sizes.
Leaf size: approximately 8 inches.
How Often Should You Water a Tall Xeilyathum?
Xeilyathum altissimum requires watering every 5–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 5–7 days
Let soil partially dry between waterings
What Light Does the Tall Xeilyathum Need?
Tall Xeilyathum thrives in bright indirect light. Avoid placing Tall Xeilyathum in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Tall Xeilyathum Prefer?
Xeilyathum altissimum grows best at temperatures of 65–80°F. Tall Xeilyathum prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Tall Xeilyathum?
Well-draining orchid bark mix with perlite and charcoal chunks. Good drainage is essential for Tall Xeilyathum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Tall Xeilyathum?
Feed Tall Xeilyathum every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 2 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Tall Xeilyathum?
Repot every 1-2 years after flowering. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Tall Xeilyathum?
Tall Xeilyathum can be propagated through division, back bulbs, keiki propagation.
Is the Tall Xeilyathum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Tall Xeilyathum, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Tall Xeilyathum?
Tall Xeilyathum is susceptible to scale insects, spider mites, aphids. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Tall Xeilyathum Need?
Tall Xeilyathum grows outdoors in USDA Zone 10b – 12b. It survives winters down to planting zone 10b. Tall Xeilyathum is native to the West Indies, with an 18th-Century citation from Jamaica. In cooler regions, grow Tall Xeilyathum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 12b
Keep exploring plants
Tall Xeilyathum is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Xeilyathum genus (family Orchidaceae) — search all Xeilyathum species in the plant lookup.
Tall Xeilyathum thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Xeilyathum altissimum Raf., family Orchidaceae (first published in Fl. Tellur. 2: 62 (1837)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Tall Xeilyathum, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 10b – 12b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
