Also known as Thistle · 0 saves
Carduus
Carduus, the genus most gardeners know as thistle. We track 2 varieties; the ones most used by real gardeners.
The 2 most-saved Carduus varieties
2 species of Carduus
Each one is a parent of the varieties above.
Track your Carduus in Sow
Save the Carduus you grow and get care reminders timed to your zone.
Carduus questions
How many types of Carduus are there?
The Sow catalog tracks 2 distinct Carduus varieties. The most popular — ranked by 0 real gardeners — are shown first above.
What zones does Carduus grow in?
Across its varieties, Carduus covers USDA Zones 4–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Carduus bloom?
Most Carduus varieties bloom in spring, summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Carduus 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.