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The Plant Guide

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Northern sea oats

Chasmanthium latifolium

kaz-MAN-thee-um lat-ih-FOE-lee-um

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 CharacteristicsDried spikelets are great for arrangements. Cut before they are fully mature.

CareThis 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.

PropagationEasy to start from seed. Divide between midspring and early summer.

ProblemsUsually trouble-free.

  • Genus : Chasmanthium
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 5, 6, 7, 8, 9
  • Tolerance : Drought Tolerant
  • Bloom Time : Early Fall, Fall, Late Summer, Summer
  • Light : Full Sun to Partial Shade
  • Plant Type : Grasses
  • Flower Color : Green
  • Maintenance : Low
  • Moisture : Medium Moisture
  • Characteristics : Showy Foliage, Showy Seed Heads
  • Plant Seasonal Interest : Summer Interest

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