Native Plant Database

Header Photo: Mervin Wallace

Northern Sea Oats; River Oats

Chasmanthium latifolium
Plant Type: Grasses / Sedges / Rushes
Native Environment: Stream Edge, Wetland
Season of Interest: Winter (Nov - Mar)
Main Color: Green
Fall Color: Brown, Red
Hardy From Zone: 1
Hardy To Zone: 1

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Hardiness Zones

Midwest map of zones 5 (north), 6, and 7 (south)

as defined by the USDA Plant Hardiness Zone Map; (hardiness zones are not recorded for all Grow Native! plants)
Sun Exposure 
Full Sun, Shade
Soil
Moisture
Moderate, High
Nature Attracting
Wildlife Benefit
Butterfly / Moth Host
Animal
Resistance
Deer Resistant
Size

Height:

30 to
48
inches

Spread:

24 to
30
inches
Size
Height: 30 to
48
inches
Spread: 24 to
30
inches
Size
Height: 30 to
48
inches
Spread: 24 to
30
inches
Typical Landscape Use
Plant in the border, shade garden, native plant garden, naturalized area, along streams or on the edge of the water garden. Seed heads are good in fresh or dried arrangements.
Establishment and Care Instructions
Easily grown in moist, well-drained soil but tolerates poor soil. Self-seeds and may become invasive, or beneficial in producing ground cover for aesthetics and/or erosion control. Leave foliage in place over winter to add interest to the landscape and protect crowns from the cold.
Special Features
Special Usage
Dried Flower, Fresh Cut Flower
Basic Description

Upright clumps of bamboolike foliage. Green leaves turn copper in fall and brown in winter. Attractive flat flower spikes hang down from stems. Prefers light shade and damp soil. Can self-sow prolifically. Also known as wood oats and river oats. Caterpillars of Northern Pearly Eye butterfly, two skippers and a moth feed on it.

Where Should I Start?

Check out the Grow Native! Committee’s Top Ten picks of native plants for a particular purpose.

What’s the Next Step?

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Where Can I Find This Plant in Nature?

Learn about the Native Environment(s) inhabited by the plants in this database.

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