Photo: Saryu Mae 前 朝琉CC BY 4.0via iNaturalistresized / cropped
Dark Spider Orchid Plant Care
Caladenia atradenia D.L.Jones, Molloy & M.A.Clem.
Updated · Sources · How we source care data
Featuring vibrant pink petals with a red lip, this orchid species originates from Australia. Its striking coloration and unique shape make it a coveted addition to any plant collector's collection, adding a touch of exotic beauty to their indoor garden.
Every 7–14 days
Bright indirect to dappled sunlight
60–75°F
40–60%
At a glance
How do you care for Dark Spider Orchid?
Water Dark Spider Orchid every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to dappled sunlight. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every month during the growing season.
Where Is the Dark Spider Orchid Native To?
What Is the Dark Spider Orchid?
Dark Spider Orchid (Caladenia atradenia) belongs to the Orchidaceae family within the Caladenia genus. Dark Spider Orchid is native to New Zealand.
Dark Spider Orchid displays a terrestrial, tuberous growth habit, reaching up to tall with a spread of approximately . Dark Spider Orchid produces colorful, intricate orchid flowers with unique shapes and patterns.
Leaf size: approximately 4 inches.
How Often Should You Water a Dark Spider Orchid?
Caladenia atradenia 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 Dark Spider Orchid Need?
Dark Spider Orchid thrives in bright indirect to dappled sunlight. Avoid placing Dark Spider Orchid in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to dappled sunlight
What Temperature and Humidity Does the Dark Spider Orchid Prefer?
Caladenia atradenia grows best at temperatures of 60–75°F. Dark Spider Orchid prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Dark Spider Orchid?
Well-draining orchid mix with bark chips and sphagnum moss. Good drainage is essential for Dark Spider Orchid to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Dark Spider Orchid?
Feed Dark Spider Orchid every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Dark Spider 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 Dark Spider Orchid?
Dark Spider Orchid can be propagated through division, seed sowing. Similar propagation techniques also apply to winged spider orchid plant care, which shares the same genus.
Is the Dark Spider Orchid Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Dark Spider 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 Dark Spider Orchid?
Dark Spider 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 Dark Spider Orchid Need?
Dark Spider Orchid grows outdoors in USDA Zone 8b – 10a. It survives winters down to planting zone 8b. Dark Spider Orchid is native to New Zealand.
Hardiness Zone
Zone 8b – 10a
Keep exploring plants
Dark Spider 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 Caladenia genus — compare its care with other Caladenia species on PlantoScan.
Caladenia is part of the Orchidaceae plant family — browse all Orchidaceae genera and species.
Dark Spider Orchid thrives in bright light and direct sun — see other bright-light plants.
More Caladenia Species
Other Caladenia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Caladenia atradenia D.L.Jones, Molloy & M.A.Clem., family Orchidaceae (first published in Orchadian 12: 221 (1997)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Dark Spider 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.
- Photo: Saryu Mae 前 朝琉, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8b – 10a, 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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