Water Wise Plants
Tuscan Blue Rosemary
6 ft. to 7 ft. tall and 1 1/2 ft. to 2 ft. wide
Low: water every three weeks until the root ball is wet
Maintenance- Design- Planting Tips
Rosemary starts blooming in the winter and provides food for bees when little else is blooming. Rosemary sometimes has a small bloom in the late summer and fall as well.
The 'Tuscan Blue' rosemary shrubs in our Palo Alto Demonstration Garden have never grown taller than 4 feet and are more ball shaped than vertical. Part of this may be due to less watering and part of this may be due to our pruning regime. We prune it by 1/3 to 1/2 after it finishes blooming in late spring to control its height. We also prune side branches that fall on other plants. Once the plants become mature, we prune out up to 1/3 of the large woody branches to control plant size and maintain vigor.
To minimize pruning, we have taken out several of our 'Tuscan Blue' rosemary shrubs and replaced them with the smaller cultivar 'Mozart', a UC Davis Arboretum "All-Star". We'll let you know how are experiment works.
Rosemary is useful herb in the kitchen.