Cooktown Orchid Plant Care
Dendrobium bigibbum Lindl.
Updated · Sources · How we source care data
Dendrobium bigibbum, commonly known as Cooktown orchid or mauve butterfly orchid, is an epiphytic or lithophytic orchid in the family Orchidaceae. It has cylindrical pseudobulbs, each with between three and five green or purplish leaves and arching flowering stems with up to twenty, usually lilac-purple flowers.
Bright indirect light
At a glance
How do you care for Cooktown Orchid?
Cooktown Orchid grows best in bright indirect light.
What Is the Cooktown Orchid?
Cooktown Orchid (Dendrobium bigibbum) belongs to the Orchidaceae family within the Dendrobium genus. Cooktown Orchid is also known as Purple Rock Orchid.
Cooktown Orchid displays an upright, epiphytic growth habit, reaching up to tall with a spread of approximately . Cooktown Orchid produces colorful, showy blooms in various shapes and sizes.
What Light Does the Cooktown Orchid Need?
Cooktown Orchid thrives in bright indirect light. Avoid placing Cooktown Orchid in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Soil Mix Works Best for a Cooktown Orchid?
Well-draining orchid mix with bark chips and sphagnum moss. Good drainage is essential for Cooktown Orchid to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Cooktown Orchid?
Repot every 2-3 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 Cooktown Orchid?
Cooktown Orchid can be propagated through division, back bulbs, keiki propagation. Similar propagation techniques also apply to golden dendrobium plant care, which shares the same genus.
Is the Cooktown Orchid Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cooktown Orchid, 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 Cooktown Orchid?
Cooktown Orchid is susceptible to aphids, scale, 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.
Keep exploring plants
Cooktown Orchid 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 Dendrobium genus — compare its care with other Dendrobium species on PlantoScan.
Dendrobium is part of the Orchidaceae plant family — browse all Orchidaceae genera and species.
Cooktown Orchid thrives in bright light and direct sun — see other bright-light plants.
More Dendrobium Species
Other Dendrobium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Dendrobium bigibbum Lindl., family Orchidaceae (first published in Paxton's Fl. Gard. 3: 25 (1852)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cooktown Orchid, 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.
- 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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