Photo: Jean Jacques GodonCC BY 4.0via iNaturalistresized / cropped
Dayanum Bulbophyllum Plant Care
Bulbophyllum dayanum Rchb.f.
Updated · Sources · How we source care data
The Bulbophyllum dayanum showcases unique, elongated, waxy green leaves with striking purple spots, originating from the forests of Borneo. Its intriguing foliage and rare blooms make it highly sought after by plant collectors seeking exotic and visually captivating additions to their collections.
Every 7–14 days
Bright indirect to dappled shade
65–80°F
60–80%
At a glance
How do you care for Dayanum Bulbophyllum?
Water Dayanum Bulbophyllum every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to dappled shade. It prefers temperatures of 65–80°F (18–27°C) and 60–80% humidity. Fertilize it every 2 months during the growing season.
Where Is the Dayanum Bulbophyllum Native To?
What Is the Dayanum Bulbophyllum?
Dayanum Bulbophyllum (Bulbophyllum dayanum) belongs to the Orchidaceae family within the Bulbophyllum genus. Dayanum Bulbophyllum is native to India, Myanmar, Cambodia, Vietnam and Thailand.
Dayanum Bulbophyllum displays an epiphytic, clumping orchid growth habit, reaching up to 1 ft tall with a spread of approximately . Dayanum Bulbophyllum produces unique, intricate flowers often with complex shapes and patterns.
Leaf size: approximately 12 inches.
How Often Should You Water a Dayanum Bulbophyllum?
Bulbophyllum dayanum requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Dayanum Bulbophyllum Need?
Dayanum Bulbophyllum thrives in bright indirect to dappled shade. Avoid placing Dayanum Bulbophyllum in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to dappled shade
What Temperature and Humidity Does the Dayanum Bulbophyllum Prefer?
Bulbophyllum dayanum grows best at temperatures of 65–80°F. Dayanum Bulbophyllum prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
60–80%
What Soil Mix Works Best for a Dayanum Bulbophyllum?
Loose, well-draining orchid mix with bark and sphagnum moss. Good drainage is essential for Dayanum Bulbophyllum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Dayanum Bulbophyllum?
Feed Dayanum Bulbophyllum 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 Dayanum Bulbophyllum?
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 Dayanum Bulbophyllum?
Dayanum Bulbophyllum can be propagated through division, back bulbs, keiki propagation.
Is the Dayanum Bulbophyllum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Dayanum Bulbophyllum, 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 Dayanum Bulbophyllum?
Dayanum Bulbophyllum is susceptible to aphids, scale insects, spider mites. 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 Dayanum Bulbophyllum Need?
Dayanum Bulbophyllum grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Dayanum Bulbophyllum is native to India, Myanmar, Cambodia, Vietnam and Thailand. In cooler regions, grow Dayanum Bulbophyllum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 11a – 12b
Keep exploring plants
Dayanum Bulbophyllum 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 Bulbophyllum genus — compare its care with other Bulbophyllum species on PlantoScan.
Bulbophyllum is part of the Orchidaceae plant family — browse all Orchidaceae genera and species.
Dayanum Bulbophyllum 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: Bulbophyllum dayanum Rchb.f., family Orchidaceae (first published in Gard. Chron. 1865: 434 (1865)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Dayanum Bulbophyllum, 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: Jean Jacques Godon, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 11a – 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.
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