Also known as Woolly Bluecurls · 9 saves
Trichostema
Trichostema, the genus most gardeners know as woolly bluecurls. We track 1 varieties; the ones most used by real gardeners.
The 1 most-saved Trichostema varieties
Track your Trichostema in Sow
Save the Trichostema you grow and get care reminders timed to your zone.
Trichostema questions
How many types of Trichostema are there?
The Sow catalog tracks 1 distinct Trichostema varieties. The most popular — ranked by 9 real gardeners — are shown first above.
What zones does Trichostema grow in?
Across its varieties, Trichostema covers USDA Zones 6–9. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Trichostema bloom?
Most Trichostema varieties bloom in mid-summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Trichostema 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.