Go Back Northern Sea Oats

Chasmanthium latifolium
Deer Resistant IconRock Garden Icon

Plant Type: Grasses

Northern Sea Oats is an upright-narrow to arching perennial with rhizomes. It does very well in rock gardens and as an accent or specimen plant. Flowering occurs from June to September. The flat, green seed heads turn rusty, tan, brown or bronze lasting all winter. The seed heads along with the bronze foliage provide excellent winter interest. Northern sea oats does well on fertile, light to heavy well-drained soils. It prefers moist sites but will tolerate some drought. In full sun northern sea oats is lighter green. It does best in partial shade.

Currently not available for online purchase.

Growing & Maintenance Tips:

Grows easily in average to poor soils; thrives in enriched, moist soils. Water deeply and regularly during first growing season to establish an extensive root system; once established, water as needed to maintain evenly moist soil. Leave foliage through winter to protect the clump; hard prune before new growth emerges.

Flower Color

Tan Shades

Foliage Color

Green Shades

Plant Spread

2-3 ft.

Good Companions

Other grasses and full-sun perennials

Plant Height

2-3 ft.

Scape Height


Hardness Zone


Soil Moisture

Average and Consistent water needs

Characteristics & Attributes


Unique foliage style

Bloom Time


Critter Resistance



Shade to part sun

Growth Rate


Seasonal Interests