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River Oats

Original price was: $5.00.Current price is: $3.00.

Very popular as a low-maintenance shade grass, , River Oats is a very ornamental grass that is easily identifiable. The seeds are eaten by birds and small mammals, and it is known to attract butterflies.

Approx 75 Native Grass seed per packet.

988 in stock


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River Oats (Chasmanthium latifolium), also called Northern Sea Oats and Uniola latifolia, is named for its tendency to grow along waterways, is both ornamental and practical. It’s a perennial cool season grass. With its slender stalks and oat-like spikelets that turn from green to brown in the fall, River Oats is popular in floral arrangements. In addition to attracting butterflies and being deer-resistant, this perennial grass provides grazing and produces seeds enjoyed by small mammals and birds.

River oats grows 3 to 6 feet tall with a blooming period (fruiting period, in this case) of mid to late summer (July-Sept).  It is especially useful in combating erosion due to its complex root structure. Northern Sea Oats is native to the Midwest of the United States and thrives in moist soil, preferring partial shade to full shade conditions. It can also tolerate less optimal conditions. Best for Zones 4 – 9.

It’s excellent at self-sowing, low maintenance, and very hardy. If you’re having creek bed erosion issues, need to stop erosion on a slope/hill, or simply enjoy this plant’s look and how it looks when it’s windy, then this is the plant for you! Pure Air Natives loves using this plant for restoring damage by plows, heavy equipment, or other disturbances in nature.

It can become aggressive as its extensive root systems and fast ability to reproduce can outcompete surrounding plants. You can manage this by cutting off the heads before they seed. Otherwise, this plant is perfect for providing ground cover.

Buy River Oats today! All seed is sold on a PLS basis, and is high quality and germination guaranteed.

About PLS (Pure Live Seed)
Pure Air Natives tests all harvested seed for purity, germination, noxious weeds (state restricted), the dormancy. We only sell purest quality live seed that is going to germinate. (3rd Party Lab Tested)

Seed Details

Weight 0.025 lbs
Dimensions 3.5 × 0.1 × 2.25 in

Seed Packet

Approx Seed Count



Seed germinates after cold-moist stratification.

Sun Exposure


Moisture Exposure

Medium Wet, Medium (Very Wet in Winter and Spring time)


3 Feet with Bloomtime in June through September.

Plant Spacing

1-2 Feet


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