Also known as One-sided Bottlebrush · 5 saves
Calothamnus
Calothamnus, the genus most gardeners know as one-sided bottlebrush. We track 1 varieties; the ones most used by real gardeners.
The 1 most-saved Calothamnus varieties
Species of Calothamnus
Each one is a parent of the varieties above.
Track your Calothamnus in Sow
Save the Calothamnus you grow and get care reminders timed to your zone.
Calothamnus questions
How many types of Calothamnus are there?
The Sow catalog tracks 1 distinct Calothamnus varieties. The most popular — ranked by 5 real gardeners — are shown first above.
What zones does Calothamnus grow in?
Across its varieties, Calothamnus covers USDA Zones 9–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Calothamnus bloom?
Most Calothamnus varieties bloom in winter to summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Calothamnus 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.