Tuscan Blue Rosemary
Salvia rosmarinus ‘Tuscan Blue’ · an upright blue rosemary
An upright culinary rosemary with aromatic, needle-like leaves for the kitchen and large lavender-blue flowers in winter and spring, at home among rocks or clipped into a hedge. It shrugs off drought, salt spray, deer and rabbits. Rich or wet soil kills it, and it's hardy only where winters are mild.

- Mature size
- 5 × 3.5 ft
- 1.5 × 1.1 m, tall × wide
- Hardiness
- Zones 8a–10b
- USDA
- Sun
- Full sun
- Water
- Dry
- Blooms
- Jan–Apr
Tuscan Blue Rosemary at its mature size
A mature Tuscan Blue Rosemary grows 3 to 6 feet tall and 2 to 5 feet wide.
Drawn to scale beside a 5 ft 9 in person. With VeraScape, you see it at this size in your own yard.
Typical mature size, unpruned. Sources: San Marcos Growers, The Tree Center.
Through the year
What Tuscan Blue Rosemary looks like month by month in a typical zone 6–7 garden.
In flower · Jan–Apr
Small blue flowers along the upright stems.
In leaf · May–Dec
Narrow dark olive-green needle leaves on upright stems.
Growing Tuscan Blue Rosemary
- Grows well in
- The Southeast, the Plains and Mountain West, the desert Southwest, the Pacific Northwest, and California.
- Growth rate
- Medium
- Good for
- Hedge, small space, foundation planting, specimen, drought tolerant, deer resistant, winter interest, and fragrant
- Leaves
- Evergreen
- Native to
- Mediterranean
Spacing for a hedge
VeraScape spaces plants so their grown canopies just touch. For Tuscan Blue Rosemary, that’s about 3.5 ft apart, center to center.
Place a row in your own yard and VeraScape spaces them at their mature width, so you can see whether they’ll crowd the walk.
See Tuscan Blue Rosemary in your yard before you dig
Visualize it at its true size, alongside the rest of your design.