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A picture of a Rosemary 'Tuscan Blue'

Rosemary 'Tuscan Blue'

Salvia rosmarinus 'Tuscan Blue'

Photo by GardenBeautyuk (All rights reserved)

Full Sun
Easy care
Moderate watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size








3 years to reach maturity


This plant has a mild fragrance

More images of Rosemary 'Tuscan Blue'

A plant in a forest
A photo of Rosemary 'Tuscan Blue'

Rosemary 'Tuscan Blue' Overview

The Tuscan Blue variety of Rosemary has wider than average, extremely aromatic leaves. It is an tall, erect shrub with bright blue flowers and green foliage. A favourite with chefs. Tuscan Blue boasts strong, lush stems that are easy to prune and shape into hedges or as decorative features. Previously known as Rosmarinus officinalis 'Tuscan Blue', this plant has been recently re-classified as Salvia rosmarinus 'Tuscan Blue'

Common problems with Rosemary 'Tuscan Blue'

Few problems. Powdery mildew may occur if plants are not ventilated enough.

Rosemary 'Tuscan Blue' Companion Plants

When considering rosemary companion planting, the best companion plant is broccoli as both plants benefit from being planted together. Planting rosemary nearby will also help your beans, broccoli, cabbage, carrots and hot peppers to flourish. The only herb we found that would benefit from rosemary companion planting was sage. Planting carrots, potatoes and pumpkins near rosemary is not advised as they make for poor companions.

How to harvest Rosemary 'Tuscan Blue'

Leaves and flowers can be harvested throughout the year. Harveste stems rather than individual leaves, in the morning. Cut back to stimulate new growth. To dry, hang bunches of branches upside down in a ventilated area.

How to propagate Rosemary 'Tuscan Blue'


Easiest method. Plant cuttings in sand or potting medium. Cuttings from stem tips will also root when placed in water. To grow a hedge, plant 90cm apart.

Special features of Rosemary 'Tuscan Blue'

Attracts useful insects

Including butterflies and bees.

Repels harmful insects

Repels cabbage worm, snails and carrot flies. An extract mixed with soapy water makes a good spray against insect pests. Stems buried in the ground will keep cutworms away from young seedlings.

Pot plant

A clay pot that dries out quickly will suit rosemary well.

Hedge plant

You can plant a rosemary hedge around your vegetable patch. Reacts well to pruning and makes an ornamental short hedge.

Drought resistant

Once established it is a very hardy.

Other uses of Rosemary 'Tuscan Blue'


Rosemary is used in aromatherapy to relieve cold symptoms. Reputedly improves one's memory, circulation and digestion. Posesses antibacterial, antiseptic and antioxidant elements. Remedy for dandruff.


The strong-flavoured leaves, fresh or drired, are used in many culinary dishes. It works well with lamb and vegetables, cheese and eggs. Rigid stems are ideal kebab sticks. It is also used to make flavored syrup.