Photo: Sofia ZvolanekCC BY 4.0via iNaturalistresized / cropped
Slater's Ground Orchid Plant Care
Rhizanthella slateri (Rupp) M.Clements & P.J.Cribb
Updated · Sources · How we source care data
This unique plant lacks leaves and stems, instead appearing as a cluster of small, translucent flowers. Originating from Australia, Rhizanthella slateri is a highly sought-after addition to collections due to its rare and mysterious underground growth habit, making it a fascinating and elusive specimen for plant collectors.
Every 90–120 days
Low light conditions due to subterranean growth
60–80°F
50–70%
At a glance
How do you care for Slater's Ground Orchid?
Water Slater's Ground Orchid every 90–120 days, letting the top layer of soil dry out between waterings, and give it low light conditions due to subterranean growth. It prefers temperatures of 60–80°F (16–27°C) and 50–70% humidity.
Where Is the Slater's Ground Orchid Native To?
What Is the Slater's Ground Orchid?
Slater's Ground Orchid (Rhizanthella slateri) belongs to the Orchidaceae family within the Rhizanthella genus. Slater's Ground Orchid is native to New South Wales. Slater's Ground Orchid is also known as Slater's Underground Orchid.
Slater's Ground Orchid displays an underground, mycoheterotrophic growth habit, reaching up to tall with a spread of approximately . Slater's Ground Orchid produces small, inconspicuous flowers due to subterranean nature.
How Often Should You Water a Slater's Ground Orchid?
Rhizanthella slateri requires watering every 90–120 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 90–120 days
Let soil partially dry between waterings
What Light Does the Slater's Ground Orchid Need?
Slater's Ground Orchid thrives in low light conditions due to subterranean growth. Avoid placing Slater's Ground Orchid in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Low light conditions due to subterranean growth
What Temperature and Humidity Does the Slater's Ground Orchid Prefer?
Rhizanthella slateri grows best at temperatures of 60–80°F. Slater's Ground 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 Slater's Ground Orchid?
Well-draining, acidic orchid mix with bark and perlite. Good drainage is essential for Slater's Ground Orchid to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Slater's Ground Orchid?
Rarely requires repotting due to unique growth habit. 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 Slater's Ground Orchid?
Slater's Ground Orchid can be propagated through seeds. Similar propagation techniques also apply to western underground orchid plant care, which shares the same genus.
Is the Slater's Ground Orchid Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Slater's Ground 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 Slater's Ground Orchid?
Slater's Ground Orchid is susceptible to not commonly affected by pests. 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 Slater's Ground Orchid Need?
Slater's Ground Orchid grows outdoors in USDA Zone 9b – 11a. It survives winters down to planting zone 9b. Slater's Ground Orchid is native to New South Wales. In cooler regions, grow Slater's Ground Orchid as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9b – 11a
Keep exploring plants
Slater's Ground 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 Rhizanthella genus — compare its care with other Rhizanthella species on PlantoScan.
Rhizanthella is part of the Orchidaceae plant family — browse all Orchidaceae genera and species.
Slater's Ground Orchid copes with lower light than most plants — browse the full list of low-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Rhizanthella slateri (Rupp) M.Clements & P.J.Cribb, family Orchidaceae (first published in Bot. Mag. (Kew Mag.) 1(2): 88. 1984) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Slater's Ground 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: Sofia Zvolanek, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 9b – 11a, 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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