Go Back Northern Sea Oats Ornamental Grass

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.


Growing & Maintenance Tips:

Tolerates poor soil and heat; prefers rich, moist soil; moderate drought tolerance.

Flower Color

Foliage Color


Plant Spread

1-3 ft.

Good Companions

Plant Height

3 ft.

Scape Height

Hardness Zone


Soil Moisture

Average water needs

Characteristics & Attributes


Rock gardens, Accent , Specimen

Bloom Time


Critter Resistance

Deer resistant


Full sun

Growth Rate

Seasonal Interests

Summer, Fall