Roughleaf Witchgrass Plant Care
Dichanthelium scabriusculum (Elliott) Gould & C.A.Clark
Updated · Sources · How we source care data
Dichanthelium scabriusculum, commonly called tall swamp rosette-panicgrass, tall swamp panicgrass, rough panic-grass or panic grass, is a species of plant found in North America. It is listed as endangered in Connecticut, Maryland, and New York.
Full sun to partial shade
At a glance
How do you care for Roughleaf Witchgrass?
Roughleaf Witchgrass grows best in full sun to partial shade.
Where Is the Roughleaf Witchgrass Native To?
What Is the Roughleaf Witchgrass?
Roughleaf Witchgrass (Dichanthelium scabriusculum) belongs to the Poaceae family within the Dichanthelium genus. Roughleaf Witchgrass is native to North America. Roughleaf Witchgrass is also known as Hairy Witchgrass.
Roughleaf Witchgrass displays a grass-like clumping perennial growth habit, reaching up to tall with a spread of approximately . Roughleaf Witchgrass produces small inconspicuous flowers on tall stems.
What Light Does the Roughleaf Witchgrass Need?
Roughleaf Witchgrass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Roughleaf Witchgrass?
Well-draining loamy soil with good organic content. Good drainage is essential for Roughleaf Witchgrass to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Roughleaf Witchgrass?
Divide and 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 Roughleaf Witchgrass?
Roughleaf Witchgrass can be propagated through seeds, division of clumps. Similar propagation techniques also apply to bosc's witchgrass plant care, which shares the same genus.
Is the Roughleaf Witchgrass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Roughleaf Witchgrass, 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 Roughleaf Witchgrass?
Roughleaf Witchgrass is susceptible to aphids, grasshoppers, cutworms. 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
Roughleaf Witchgrass 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 Dichanthelium genus — compare its care with other Dichanthelium species on PlantoScan.
Dichanthelium is part of the Poaceae plant family — browse all Poaceae genera and species.
Roughleaf Witchgrass thrives in bright light and direct sun — see other bright-light plants.
More Dichanthelium Species
Other Dichanthelium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Dichanthelium scabriusculum (Elliott) Gould & C.A.Clark, family Poaceae (first published in Ann. Missouri Bot. Gard. 65: 1110 (1978 publ. 1979)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Roughleaf Witchgrass, 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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