Photo: Marios ThomaCC BY 4.0via iNaturalistresized / cropped
None Plant Care
Odontarrhena chondrogyna (B.L.Burtt) Španiel, Al-Shehbaz, D.A.German & Marhold
Updated · Sources · How we source care data
This plant is easily recognizable by its succulent, blue-green leaves that form tight rosettes. Originating from the arid regions of Central Asia, Odontarrhena chondrogyna is sought after by plant collectors for its unique appearance and ability to thrive in low-water environments.
Every 7–14 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for None?
Water None every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every month during the growing season.
Where Is the None Native To?
What Is the None?
None (Odontarrhena chondrogyna) belongs to the Brassicaceae family within the Odontarrhena genus. None is native to the island of Cyprus.
None displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately 1 ft. None produces small white or yellow clustered flowers.
Leaf size: approximately 1 inches.
How Often Should You Water a None?
Odontarrhena chondrogyna 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 None Need?
None thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the None Prefer?
Odontarrhena chondrogyna grows best at temperatures of 60–80°F. None prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a None?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for None to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a None?
Feed None 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 None?
Repot every 2-3 years in early spring. 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 None?
None can be propagated through seeds, division. Similar propagation techniques also apply to odontarrhena bertolonii plant care, which shares the same genus.
Is the None Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list None, 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 None?
None is susceptible to aphids, cabbage worms, flea beetles. 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 None Need?
None grows outdoors in USDA Zone 8b – 10b. It survives winters down to planting zone 8b. None is native to the island of Cyprus.
Hardiness Zone
Zone 8b – 10b
Keep exploring plants
None 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 Odontarrhena genus — compare its care with other Odontarrhena species on PlantoScan.
Odontarrhena is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
None 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: Odontarrhena chondrogyna (B.L.Burtt) Španiel, Al-Shehbaz, D.A.German & Marhold, family Brassicaceae (first published in Pl. Syst. Evol. 301: 2484 (2015)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list None, 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: Marios Thoma, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8b – 10b, 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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