Also known as Giant Fennel · 22 saves
Ferula
Ferula, the genus most gardeners know as giant fennel. We track 1 varieties; the ones most used by real gardeners.
The 1 most-saved Ferula varieties
Track your Ferula in Sow
Save the Ferula you grow and get care reminders timed to your zone.
Ferula questions
How many types of Ferula are there?
The Sow catalog tracks 1 distinct Ferula varieties. The most popular — ranked by 22 real gardeners — are shown first above.
What zones does Ferula grow in?
Across its varieties, Ferula covers USDA Zones 5–9. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Ferula bloom?
Most Ferula varieties bloom in early summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Ferula 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.