14 saves
Alworthia
We track 1 varieties; the ones most used by real gardeners.
The 1 most-saved Alworthia varieties
Track your Alworthia in Sow
Save the Alworthia you grow and get care reminders timed to your zone.
Alworthia questions
How many types of Alworthia are there?
The Sow catalog tracks 1 distinct Alworthia varieties. The most popular — ranked by 14 real gardeners — are shown first above.
What zones does Alworthia grow in?
Across its varieties, Alworthia 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 Alworthia bloom?
Most Alworthia varieties bloom in late winter to early spring. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Alworthia 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.