Also known as Twinspur · 80 saves
Diascia
Diascia, the genus most gardeners know as twinspur. We track 2 varieties; the ones most used by real gardeners.
The 2 most-saved Diascia varieties
Species of Diascia
Each one is a parent of the varieties above.
Track your Diascia in Sow
Save the Diascia you grow and get care reminders timed to your zone.
Diascia questions
How many types of Diascia are there?
The Sow catalog tracks 2 distinct Diascia varieties. The most popular — ranked by 80 real gardeners — are shown first above.
What zones does Diascia grow in?
Across its varieties, Diascia covers USDA Zones 5–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Diascia bloom?
Most Diascia varieties bloom in late spring to fall. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Diascia 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.