Cooper's Fringe Plant Care
Achyronychia cooperi A.Gray
Updated · Sources · How we source care data
Achyronychia is a monotypic genus of flowering plant containing the single species Achyronychia cooperi, which is known by the common names onyxflower and frost-mat. This plant is native to the Mojave and Sonoran Deserts of northern Mexico and the U.S.
Full sun to partial shade
At a glance
How do you care for Cooper's Fringe?
Cooper's Fringe grows best in full sun to partial shade.
Where Is the Cooper's Fringe Native To?
What Is the Cooper's Fringe?
Cooper's Fringe (Achyronychia cooperi) belongs to the Caryophyllaceae family within the Achyronychia genus. Cooper's Fringe is native to the Mojave and Sonoran Deserts of northern Mexico and the U. Cooper's Fringe is also known as Fringe Plant.
Cooper's Fringe displays a low rosette, spreading ground cover growth habit, reaching up to tall with a spread of approximately . Cooper's Fringe produces small white or pink flowers in clusters.
What Light Does the Cooper's Fringe Need?
Cooper's Fringe thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Cooper's Fringe?
Well-draining sandy soil with added organic matter for Achyronychia. Good drainage is essential for Cooper's Fringe to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Cooper's Fringe?
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 Cooper's Fringe?
Cooper's Fringe can be propagated through seeds, division of clumps.
Is the Cooper's Fringe Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cooper's Fringe, 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 Cooper's Fringe?
Cooper's Fringe is susceptible to aphids, spider mites, root-knot nematodes. 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
Cooper's Fringe 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 Achyronychia genus — compare its care with other Achyronychia species on PlantoScan.
Achyronychia is part of the Caryophyllaceae plant family — browse all Caryophyllaceae genera and species.
Cooper's Fringe 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: Achyronychia cooperi A.Gray, family Caryophyllaceae (first published in Proc. Amer. Acad. Arts 7: 331 (1868)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cooper's Fringe, 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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