Botanical Name

Chasmanthium latifolium

Commonly known as Northern Sea Oats

Chasmanthium latifolium (Northern Sea Oats)
Grass

Flat seed heads dangle from arching stems and dance in the slightest wind. The best native grass for shade.

Quick Reference
Bloom Season
Jul to Sep
USDA Zones
4-9
Sun
Part Shade or Part Sun
Water
Moderate - regular watering
Mature Height
2-3'
Bloom Colors
Green
Native Species Pollinator Friendly Winter Interest Cut Flower Deer Resistant
Read the full Northern Sea Oats growing guide →

Companion plants, planting tips, FAQ, and more

About This Name

Chasmanthium latifolium is the scientific name used by botanists, nurseries, and seed catalogs to identify Northern Sea Oats unambiguously. The genus Chasmanthium places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Northern Sea Oats, looking up plant care details, or comparing varieties, searching by Chasmanthium latifolium will give you the most precise results.