Wedge grass Plant Care
Sphenopholis obtusata (Michx.) Scribn.
Updated · Sources · How we source care data
Sphenopholis obtusata is a species of grass known by the common names prairie wedgescale and prairie wedge grass. It is native to North America where it is widespread across southern Canada and the United States.
Full sun to partial shade
At a glance
How do you care for Wedge grass?
Wedge grass grows best in full sun to partial shade.
Where Is the Wedge grass Native To?
What Is the Wedge grass?
Wedge grass (Sphenopholis obtusata) belongs to the Poaceae family within the Sphenopholis genus. Wedge grass is native to North America.
Wedge grass displays a grass-like clumping growth habit, reaching up to tall with a spread of approximately . Wedge grass produces small inconspicuous flowers in spikelets.
What Light Does the Wedge grass Need?
Wedge grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Wedge grass?
Well-draining loamy soil with good organic content. Good drainage is essential for Wedge grass to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Wedge grass?
Divide clumps 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 Wedge grass?
Wedge grass can be propagated through seeds, division. Similar propagation techniques also apply to wedgegrass plant care, which shares the same genus.
Is the Wedge grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Wedge grass, 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 Wedge grass?
Wedge grass 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
Wedge grass 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 Sphenopholis genus — compare its care with other Sphenopholis species on PlantoScan.
Sphenopholis is part of the Poaceae plant family — browse all Poaceae genera and species.
Wedge grass 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: Sphenopholis obtusata (Michx.) Scribn., family Poaceae (first published in Rhodora 8: 144 (1906)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Wedge grass, 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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