Thread-leaf Donkey Orchid Plant Care
Diuris filifolia Lindl.
Updated · Sources · How we source care data
Diuris filifolia, commonly known as the cat's face orchid, is a species of orchid which is endemic to the south-west of Western Australia. It is one of the rarest Diuris in Western Australia, sometimes flowering in large numbers but only after hot summer fires.
Every 7–10 days
Bright indirect light
60–80°F
50–70%
At a glance
How do you care for Thread-leaf Donkey Orchid?
Water Thread-leaf Donkey Orchid every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–80°F (16–27°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Thread-leaf Donkey Orchid Native To?
What Is the Thread-leaf Donkey Orchid?
Thread-leaf Donkey Orchid (Diuris filifolia) belongs to the Orchidaceae family within the Diuris genus. Thread-leaf Donkey Orchid is native to the south-west of Western Australia.
Thread-leaf Donkey Orchid displays an upright, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Thread-leaf Donkey Orchid produces showy, colorful orchid flowers with distinct markings.
Leaf size: approximately 8 inches.
How Often Should You Water a Thread-leaf Donkey Orchid?
Diuris filifolia requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Thread-leaf Donkey Orchid Need?
Thread-leaf Donkey Orchid thrives in bright indirect light. Avoid placing Thread-leaf Donkey Orchid in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Thread-leaf Donkey Orchid Prefer?
Diuris filifolia grows best at temperatures of 60–80°F. Thread-leaf Donkey Orchid prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–80°F
Humidity
50–70%
What Soil Mix Works Best for a Thread-leaf Donkey Orchid?
Well-draining orchid mix with bark and perlite. Good drainage is essential for Thread-leaf Donkey Orchid to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Thread-leaf Donkey Orchid?
Feed Thread-leaf Donkey Orchid every 6 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 6 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 Thread-leaf Donkey Orchid?
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 Thread-leaf Donkey Orchid?
Thread-leaf Donkey Orchid can be propagated through division, seed sowing. Similar propagation techniques also apply to short diuris plant care, which shares the same genus.
Is the Thread-leaf Donkey Orchid Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Thread-leaf Donkey 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 Thread-leaf Donkey Orchid?
Thread-leaf Donkey Orchid is susceptible to aphids, spider mites, scale insects. 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 Thread-leaf Donkey Orchid Need?
Thread-leaf Donkey Orchid grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Thread-leaf Donkey Orchid is native to the south-west of Western Australia. In cooler regions, grow Thread-leaf Donkey Orchid as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Thread-leaf Donkey 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 Diuris genus — compare its care with other Diuris species on PlantoScan.
Diuris is part of the Orchidaceae plant family — browse all Orchidaceae genera and species.
Thread-leaf Donkey Orchid thrives in bright light and direct sun — see other bright-light plants.
More Diuris Species
Other Diuris species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Diuris filifolia Lindl., family Orchidaceae (first published in Sketch Veg. Swan R. : 51 (1840)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Thread-leaf Donkey 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.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- 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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