Northern sea oats

Chasmanthium latifolium

Photo/Illustration: 
Michelle Gervais
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Northern sea oats (Chasmanthium latifolium)
kaz-MAN-thee-um lat-ih-FOE-lee-um
Synonyms:  Uniolia latifolia
Genus:  Chasmanthium
Northern sea oats is a loosely tufted, clump-forming grass with lance-shaped, arching mid-green foliage that turns yellow in winter. Summer brings highly decorative oat-like panicles of flat, green flowerheads that shimmer and rustle in the wind, aging to bronze by late summer.
Noteworthy Characteristics:  Dried spikelets are great for arrangements. Cut before they are fully mature.
Care:  This native to the eastern U.S. and northern Mexico is easy to grow in full sun or shade, in fertile, well-drained soil with ample moisture. Cut down in late winter. Drought tolerant once established.
Propagation:  Easy to start from seed. Divide between midspring and early summer.
Problems:  Usually trouble-free.

Overview

Height
1 ft. to 3 ft.
Spread
1 ft. to 3 ft.
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Native,
Showy Flowers,
Showy Foliage,
Showy Seed Heads
Bloom Time
Early Fall,
Fall,
Late Summer,
Summer
Flower Color
Brown Flower,
Green Flower
Uses
Beds and Borders,
Cut Flower,
Dried Flower,
Naturalizing
Style
Woodland Garden
Seasonal Interest
Summer Interest
Tolerance
Drought Tolerant
Type
Grasses

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