Also known as Senna · 12 gardener saves
Cassia: the varieties gardeners actually grow
Cassia, the genus most gardeners know as senna. We track 2 varieties; these are the ones gardeners actually save and plant, ranked by real saves rather than catalog marketing. Each links to full care, bloom, and live price data.
The 2 most-saved Cassia varieties
Of 2 in the catalog — ordered by how many gardeners actually grow them.
Cassia questions
How many types of Cassia are there?
The Sow catalog tracks 2 distinct Cassia varieties. The most popular — ranked by 12 real gardener saves — are shown first above.
What zones does Cassia grow in?
Across its varieties, Cassia covers USDA Zones 8–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Cassia bloom?
Most Cassia varieties bloom in late summer, early summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Cassia 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.
Keep exploring
By hardiness zone
Design with Cassia in your own yard
Snap a photo of your space and see these varieties planted in it — sized correctly, matched to your zone, with care reminders included.
