Tennessee Smart Yards Native Plants

A comprehensive database of Tennessee native plants

Upland Sea Oats, River Oats, Indian Woodoats

Upland Sea Oats, River Oats, Indian Woodoats

Chasmanthium latifolium

Part sun to light shade, moderately wet to medium moisture level, prefers fertile soil but adapted to a wide range of soils including clay, strongly acid to neutral pH.  2 ½ – 4 feet height, blooms in late summer, green flowers, self-sows generously in moist sites and may be aggressive.

Germination Code:  A.  Seeds germinate easily.

Native Region:  Statewide

Warm season.  Easy to grow.  Very popular, low-maintenance grass.  One of the more shade-tolerant ornamental grasses.  Will tolerate full sun with enough moisture.  Provides excellent contrast and texture almost year-round to the planting area.  Dried, copper-colored seedheads are often used in floral arrangements.

grass;sun/shade;wet;clay
grass;sun/shade;wet;loam
grass;sun/shade;wet;sand
grass;sun/shade;medium;clay
grass;sun/shade;medium;loam
grass;sun/shade;medium;sand
grass;shade;wet;clay
grass;shade;wet;loam
grass;shade;wet;sand
grass;shade;medium;clay
grass;shade;medium;loam
grass;shade;medium;sand

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One response to “Upland Sea Oats, River Oats, Indian Woodoats

  1. joystewart February 13, 2015 at 7:21 pm

    I find this plant to be more tolerant of full sun than most books say. I started off with a flat of plugs and after a few years the plants are spreading nicely and re-seeding here and there on their own. They plant themselves in full sun, and these plants do just as well as the ones that are in partial shade. I don’t give them any special watering even in periods of drought, and I have the typical Tennessee clay soil. Also I was warned by a friend that this grass can be aggressive. However, I need a grass that will fill in on its own without me having to buy 100s of plants, plus it is so attractive that I am glad for every plant that I get. It is not like Big Bluestem that will crowd out every flower you have.

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