Long-leaf Prairie Grass Plant Care
Calamovilfa longifolia (Hook.) Scribn. in Hack.
Updated · Sources · How we source care data
Calamovilfa longifolia is a species of grass known by the common names prairie sandreed and sand reedgrass. It is native to North America, where it occurs from the Northwest Territories to Ontario in Canada and as far south as New Mexico and Kansas in the United States.
Every 7–14 days
Full sun
60–90°F
40–70%
At a glance
How do you care for Long-leaf Prairie Grass?
Water Long-leaf Prairie Grass every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–90°F (16–32°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
Where Is the Long-leaf Prairie Grass Native To?
What Is the Long-leaf Prairie Grass?
Long-leaf Prairie Grass (Calamovilfa longifolia) belongs to the Poaceae family within the Calamovilfa genus. Long-leaf Prairie Grass is native to North America.
Long-leaf Prairie Grass displays a tall, upright grass growth habit, reaching up to 5 ft tall with a spread of approximately 2 ft. Long-leaf Prairie Grass produces inconspicuous flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Long-leaf Prairie Grass?
Calamovilfa longifolia requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Long-leaf Prairie Grass Need?
Long-leaf Prairie Grass thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Long-leaf Prairie Grass Prefer?
Calamovilfa longifolia grows best at temperatures of 60–90°F. Long-leaf Prairie Grass prefers humidity levels of 40–70%.
Temperature
60–90°F
Humidity
40–70%
What Soil Mix Works Best for a Long-leaf Prairie Grass?
Well-draining sandy soil with good aeration. Good drainage is essential for Long-leaf Prairie Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Long-leaf Prairie Grass?
Feed Long-leaf Prairie Grass every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 8 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Long-leaf Prairie Grass?
Divide and replant 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 Long-leaf Prairie Grass?
Long-leaf Prairie Grass can be propagated through seeds, division of clumps. Similar propagation techniques also apply to curtiss's sandreed plant care, which shares the same genus.
Is the Long-leaf Prairie Grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Long-leaf Prairie 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 Long-leaf Prairie Grass?
Long-leaf Prairie Grass is susceptible to grasshoppers, aphids, 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.
What USDA Hardiness Zone Does the Long-leaf Prairie Grass Need?
Long-leaf Prairie Grass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Long-leaf Prairie Grass is native to North America. In cooler regions, grow Long-leaf Prairie Grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Long-leaf Prairie 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 Calamovilfa genus — compare its care with other Calamovilfa species on PlantoScan.
Calamovilfa is part of the Poaceae plant family — browse all Poaceae genera and species.
Long-leaf Prairie 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: Calamovilfa longifolia (Hook.) Scribn. in Hack., family Poaceae (first published in Manual , ed. 6: 651 (1890)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Long-leaf Prairie 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.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- 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.
