Northern sea oats decorative grass is a versatile plant that performs equally well in sun or shade. It is better behaved in … Northern sea oats (Chasmanthium latifolium) is a perennial ornamental grass with interesting flat foliage and unique seed heads. Holds well both fresh and dried. Divide the sea oats grass in the early spring to thin out the clumps when needed. Because sea oats grasses grow tall, you can plant them as a border, as a background planting, as a privacy screen or in containers. By Bonnie L. Grant, Certified Urban Agriculturist. Divide the sea oats grass in the early spring to thin out the clumps when needed. Ask a Question. Sea oats grass is resistant to drought, but needs moisture. This grass can spread readily by seed. I know that some plants may be that way in the Midwest but not so in our high desert here. Noteworthy Characteristics. It also grows well in large containers. It's one of the best ornamental grasses for partial shade, although it grows well in full sun, too. 4. Northern Sea Oats Grasses will grow in wet soil. Summer brings highly decorative oat-like panicles of flat, green flowerheads that shimmer and rustle in the wind, aging to bronze by late summer. ... poor soil. … Water the grass thoroughly immediately after applying the fertilizer. Information On Iceberg Roses: What Is An Iceberg Rose? Sea oats grass can be invasive, spreading underground by rhizomes. Foliage turns coppery in fall, brown in winter. Northern Sea Oats also does well in average, clayish garden soils, though height will be less in these situations. Control the spreading of sea oats by installing a plastic barrier on the perimeter. Load More. Because sea oats grasses grow tall, you can plant them as a border, as a background planting, as a privacy screen or in containers. It loves full sun, but can tolerate some shade. Sea oats grass (Chasmanthium) is an ornamental grass native to the coast lines of Eastern North America, growing from 3 to 5 feet tall and 2 to 3 feet wide. This grass grows best in partial shade but will tolerate full sun if soil moisture is adequate. One of the few native grasses that grows well in shade. One of my gardening books states that northern sea oats will spread and are invasive, taking over other areas aggressively. This is a warm season grass, so its most active growth occurs in summer. Like many other ornamental grasses, the dead foliage from the previous season should be trimmed in April to just a few inches above the ground. The grass is loosely tufted and forms a clump. There isn’t much that Northern Sea Oats Grass can’t do. However, it should be noted that this species is protected in some states due to the vital role it plays in shoreline stabilization. Seed heads from this plant are sometimes used in floral arrangements. Sea oats grass (Chasmanthium) is an ornamental grass native to the coast lines of Eastern North America, growing from 3 to 5 feet tall and 2 to 3 feet wide. One of our more versatile ornamental grasses, Northern Sea Oats will grow in areas of full sun into part or light shade.Plus, it tolerates average to moist soil types. It’s the strategy I use for privet seedlings and English ivy that encroach on my flower beds. Water the sea oats grass once every two weeks during the growing season from the second year onward. It is noted for its distinctive, drooping seed heads, in late summer, which hang from slightly arching stems and flutter when caressed by the softest of breezes. Water the grass thoroughly immediately after applying the fertilizer. At that time, it can be cut down to the gro… This will help the roots to grow and the plant to become established. Ask A Pro. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by … It thrives in moist sites, but it can tolerate dry soils. Native to the Eastern U.S. and Northern Mexico. Help answer a question about Northern Sea Oats - Gardening Know How Questions & Answers. Protect the plants from damage from traffic or mowing. Join Us -Sign up to get all the latest gardening tips! Water the sea oats grass once or twice each week during the first growing season. The sea oats are slow growing. The leaves are dark green and long and slightly pointed at the end, resembling bamboo leaves. Prefers light shade and damp soil. The flowers are dangling panicles and the foliage turns a rich bronze in fall. Don't plant sea oats grass outdoors in the ground if your area experiences minimum winter temperatures below -15 degrees F. Sea oats grasses grow best in USDA Hardiness Zones 5 though 9. It’s easy to maintain – hard cut it once per year and let it hard flush in springtime. This grass can grow in any light conditions and in many different soil conditions, including clay, sand, dry or moist soils, but it prefers a neutral pH. Chasmanthium latifolium, a clump-forming, upright, ornamental grass, is a Missouri native plant which typically grows 2-5' and most often occurs in rich woods or rocky slopes along streams and on moist bluffs.This grass is perhaps most distinguished by the flat, drooping seed heads which hang in terminal clusters on thread-like pedicils from slightly arching stems. Northern Sea Oats is a lovely woodland grass that is treasured for its showy, drooping flowers and slender, bamboo-like foliage which changes from green to copper in the fall. Transplant into cell packs or 3-4" containers when seedlings have second or third set of leaves. The grass turns a shade of copper in late summer and autumn. Plan the perfect garden with our interactive tool →, Dayton Nurseries: Sea Oats Grass – Chasmanthium, Denver Plants: "Northern Sea Oats Grass"--Chasmanthium latifolium, University of Illinois Extension: Care & Maintenance of Ornamental Grasses. GROWING TIPS. Feed the sea oats grass ¼ cup of slow-release 10-10-10 NPK (Nitrogen-Phosphorous-Potassium) fertilizer each year in the spring, just as the grass begins to grow again. Leave foliage in place over winter to add interest to the landscape and protect crowns from the cold. Northern Sea Oats, Chasmanthium latifolium, is a clump-type grass that grows up to 36 inches tall in bloom and is 18 inches wide.The grass blades are deep, bright green and grow up to 12 inches long. You can dig up and divide the clumps of grass, and then replant them in other locations in your landscape. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by … Native to East Texas and much of the eastern portion of the United States, Northern Sea Oats (Chasmanthium latifolium) is a delicate-looking ornamental grass with seed heads that droop as if hanging by a fishing line. Northern sea oat grass (Chasmanthium latifolium) grows 24 to 36 inches high in loose clumps of green foliage. Sign up for our newsletter. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by … Plant in dry to moist, well-drained soil. Self-seeds and may become invasive, or beneficial in producing ground cover for aesthetics and/or erosion control. Northern Sea Oats Grass, Chasmanthium latifolium, is upright and arching. 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