Geissorhiza radians Plant Care
Geissorhiza radians (Thunb.) Goldblatt
Updated · Sources · How we source care data
Geissorhiza radians or winecup flower, is a highly threatened species from the Iris family with fewer than 10 remaining sub-populations growing in south-western Cape Town, South Africa. The deep purple flowers with large, red centres grow in dense colonies, which makes for a spectacular flower display from mid-September, particularly around the town of Darling.
Full sun to partial shade
At a glance
How do you care for Geissorhiza radians?
Geissorhiza radians grows best in full sun to partial shade.
What Is the Geissorhiza radians?
Geissorhiza radians (Geissorhiza radians) belongs to the Iridaceae family within the Geissorhiza genus. Geissorhiza radians is native to smaller patches through to Gordon's Bay.
Geissorhiza radians displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Geissorhiza radians produces colorful funnel-shaped flowers in various shades.
What Light Does the Geissorhiza radians Need?
Geissorhiza radians thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Geissorhiza radians?
Well-draining sandy soil with added organic matter like compost. Good drainage is essential for Geissorhiza radians to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Geissorhiza radians?
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 Geissorhiza radians?
Geissorhiza radians can be propagated through seeds, corm division. Similar propagation techniques also apply to geissorhiza aspera plant care, which shares the same genus.
Is the Geissorhiza radians Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Geissorhiza radians, 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 Geissorhiza radians?
Geissorhiza radians is susceptible to aphids, thrips, spider mites. 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
Geissorhiza radians 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 Geissorhiza genus — compare its care with other Geissorhiza species on PlantoScan.
Geissorhiza is part of the Iridaceae plant family — browse all Iridaceae genera and species.
Geissorhiza radians 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: Geissorhiza radians (Thunb.) Goldblatt, family Iridaceae (first published in Nordic J. Bot. 3: 441 (1983)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Geissorhiza radians, 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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