Northern Sea Oats (Chasmanthium latifolium 'River Mist')

General Plant Information (Edit)
Plant Habit: Grass/Grass-like
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Leaves: Unusual foliage color
Flower Color: Green
Other: Green
Flower Time: Summer
Uses: Groundcover
Will Naturalize
Propagation: Seeds: Sow in situ
Propagation: Other methods: Division
Pollinators: Wind
Containers: Suitable in 3 gallon or larger
Miscellaneous: Patent/Plant Breeders' Rights: PP20,643 (2010)

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Posted by SongofJoy (Clarksville, TN - Zone 6b) on Jan 14, 2012 12:20 PM

Fairly common in the southeast in low damp open woods, stream margins, and ditches, River Oats is an attractive, upright, arching grass resembling the Sea Oats of southern sand dunes. In full sun, it grows 3 feet tall with leaves 1/2 inch wide. In some shade, expect taller plants that may need some staking. The flower/seed heads of River Oats which are effective from midsummer through mid-fall. Long, oblong, 3 by 1/2 inch wide spikelets with a distinct herringbone pattern are paper flat and pendant on thread-like pedicels. These appear in arching sprays above the foliage. Summer color is medium green turning to yellow then brown in fall. Grow River Oats in sun to part shade and dry to wet conditions. It spreads moderately by rhizomes and also naturalizes by seed.

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Discussion Threads about this plant
Thread Title Last Reply Replies
New Grasses for Me....... by wcgypsy Aug 14, 2011 8:54 AM 8

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