Red-stemmed Cotton-heads Plant Care
Conostylis crassinerva J.W.Green
Updated · Sources · How we source care data
Conostylis crassinerva is a rhizomatous, tufted perennial, grass-like plant or herb in the family Haemodoraceae and is endemic to the south-west of Western Australia. It has flat leaves and yellow tubular flowers that turn reddish as they age.
Full sun to partial shade
At a glance
How do you care for Red-stemmed Cotton-heads?
Red-stemmed Cotton-heads grows best in full sun to partial shade.
Where Is the Red-stemmed Cotton-heads Native To?
What Is the Red-stemmed Cotton-heads?
Red-stemmed Cotton-heads (Conostylis crassinerva) belongs to the Haemodoraceae family within the Conostylis genus. Red-stemmed Cotton-heads is native to the south-west of Western Australia.
Red-stemmed Cotton-heads displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Red-stemmed Cotton-heads produces small yellow flowers in clusters.
What Light Does the Red-stemmed Cotton-heads Need?
Red-stemmed Cotton-heads thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Red-stemmed Cotton-heads?
Well-draining sandy soil mix with some organic matter. Good drainage is essential for Red-stemmed Cotton-heads to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Red-stemmed Cotton-heads?
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 Red-stemmed Cotton-heads?
Red-stemmed Cotton-heads can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to prickly conostylis plant care, which shares the same genus.
Is the Red-stemmed Cotton-heads Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Red-stemmed Cotton-heads, 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 Red-stemmed Cotton-heads?
Red-stemmed Cotton-heads 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.
Keep exploring plants
Red-stemmed Cotton-heads 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 Conostylis genus — compare its care with other Conostylis species on PlantoScan.
Conostylis is part of the Haemodoraceae plant family — browse all Haemodoraceae genera and species.
Red-stemmed Cotton-heads thrives in bright light and direct sun — see other bright-light plants.
More Conostylis Species
Other Conostylis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Conostylis crassinerva J.W.Green, family Haemodoraceae (first published in Proc. Linn. Soc. New South Wales 85: 361 (1961)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Red-stemmed Cotton-heads, 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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