American sloughgrass Plant Care
Beckmannia syzigachne Fernald
Updated · Sources · How we source care data
Beckmannia syzigachne, the American sloughgrass, or slough grass, is an annual or short-lived perennial bunchgrass in the grass family, Poaceae, found in shallow marshes or sloughs.
Every 3–5 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for American sloughgrass?
Water American sloughgrass every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
What Is the American sloughgrass?
American sloughgrass (Beckmannia syzigachne) belongs to the Poaceae family within the Beckmannia genus. American sloughgrass is native to shallow marshes or sloughs. American sloughgrass is also known as Sloughgrass.
American sloughgrass displays a tall, upright grass growth habit, reaching up to 4 ft tall with a spread of approximately 1.5 ft. American sloughgrass produces small inconspicuous flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a American sloughgrass?
Beckmannia syzigachne requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the American sloughgrass Need?
American sloughgrass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the American sloughgrass Prefer?
Beckmannia syzigachne grows best at temperatures of 60–80°F. American sloughgrass prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a American sloughgrass?
Moist, well-draining soil with high organic content. Good drainage is essential for American sloughgrass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a American sloughgrass?
Feed American sloughgrass 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 American sloughgrass?
Repot every 1-2 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 American sloughgrass?
American sloughgrass can be propagated through seeds, division. Similar propagation techniques also apply to slough grass plant care, which shares the same genus.
Is the American sloughgrass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list American sloughgrass, 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 American sloughgrass?
American sloughgrass 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.
What USDA Hardiness Zone Does the American sloughgrass Need?
American sloughgrass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. American sloughgrass is native to shallow marshes or sloughs. In cooler regions, grow American sloughgrass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
American sloughgrass 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 Beckmannia genus — compare its care with other Beckmannia species on PlantoScan.
Beckmannia is part of the Poaceae plant family — browse all Poaceae genera and species.
American sloughgrass 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: Beckmannia syzigachne Fernald, family Poaceae (first published in Rhodora 30: 27 (1928)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list American sloughgrass, 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.
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