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Growing Info

Scarification: none required

Stratification: none required

Germination: Plant any time, in moist soil.

Other: Grows easily from seed. Plant will self-sow and could become invasive.

Native to: Alabama, Arizona, Arkansas, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Manitoba, Maryland, Mexico Northeast, Michigan, Mississippi, Missouri, Nebraska, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia, Wisconsin

Introduced to: Austria, Japan

Native

Introduced

Chasmanthium latifoliumChasmanthium latifolium

Indian Wood Oats, Inland Wood Oats, Northern Sea Oats, Wild Oats, Sea Oats, River Oats

In Stock: 3.895 lb (Total:3.895lb)

Chasmanthium latifolium

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3.89 lb VA

Details

Germination:

83%

Germination test:

Cut (Full Seed)

Purity:

98%

Seeds per lb:

78,400

Quantity:

3.89 lb

Collected in:

Virginia

Crop year:

2023

Min. hardiness zone:

Item ID:

1833413

Characteristics

Growing Info

Scarification: none required

Stratification: none required

Germination: Plant any time, in moist soil.

Other: Grows easily from seed. Plant will self-sow and could become invasive.

Introduced to: Austria, Japan

Native

Introduced

Chasmanthium latifolium, commonly referred to as Northern Sea Oats or River Oats, is a captivating ornamental grass native to Eastern United States and Northern Mexico. Perfectly adapted to USDA Zones 5-8, this versatile plant thrives in full sun to part shade and reaches heights between 2-5 feet, with a 1-2.5 foot spread. Distinguished by its elegant, flat, drooping seed heads that resemble oats, these emerge in a vibrant green during spring and transition to a purplish-bronze hue by late summer. As fall arrives, the bamboo-like foliage adopts a stunning coppery color post-frost, providing excellent winter interest and making it a striking addition to any garden.

Chasmanthium latifolium is easily grown in average, medium to wet, well-drained soil. This grass is remarkably shade-tolerant for an ornamental species and even withstands poor soil conditions, though it flourishes best in moist, fertile grounds. Its low-maintenance nature, combined with a robust resistance to pests and diseases, makes it an ideal choice for naturalizing, shaded gardens, native plant gardens, or enhancing the aesthetic alongside streams or water gardens. The gentle movement of its seed heads in the breeze adds a whimsical touch, while cut and dried seed heads make excellent floral arrangements. As a larval host for butterflies and an attraction for birds, it enhances the ecological value of your landscape. However, be mindful of its aggressive spread by rhizomes and self-seeding, particularly in smaller gardens. Whether as a beautiful ground cover or a textural contrast in perennial borders, Northern Sea Oats promises beauty and movement year-round.