Also known as Northern Sea Oats · 54 saves
Chasmanthium
Chasmanthium, the genus most gardeners know as northern sea oats. We track 1 varieties; the ones most used by real gardeners.
The 1 most-saved Chasmanthium varieties
Track your Chasmanthium in Sow
Save the Chasmanthium you grow and get care reminders timed to your zone.
Chasmanthium questions
How many types of Chasmanthium are there?
The Sow catalog tracks 1 distinct Chasmanthium varieties. The most popular — ranked by 54 real gardeners — are shown first above.
What zones does Chasmanthium grow in?
Across its varieties, Chasmanthium covers USDA Zones 4–9. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Chasmanthium bloom?
Most Chasmanthium varieties bloom in late summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Chasmanthium should I choose?
Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.