Also known as Bladder Fern · 36 saves
Cystopteris
Cystopteris, the genus most gardeners know as bladder fern. We track 2 varieties; the ones most used by real gardeners.
The 2 most-saved Cystopteris varieties
Track your Cystopteris in Sow
Save the Cystopteris you grow and get care reminders timed to your zone.
Cystopteris questions
How many types of Cystopteris are there?
The Sow catalog tracks 2 distinct Cystopteris varieties. The most popular — ranked by 36 real gardeners — are shown first above.
What zones does Cystopteris grow in?
Across its varieties, Cystopteris covers USDA Zones 4–8. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Cystopteris bloom?
Most Cystopteris varieties bloom in early spring. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Cystopteris 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.