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Herbs - CulinaryShrubs

Salvia rosmarinus 'Spice Island' (Ro)
  • RHS Plants for pollinators

A bushy, evergreen shrub about 1m tall, with dark green, short, needle-like, linear and very aromatic leaves, and small blue flowers from mid-spring to summer and occasionally in autumn

Synonyms
Rosmarinus officinalis 'Spice Island'

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Blue Green
Autumn Blue Green
Winter Green
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H4
Botanical details
Family
Lamiaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling
Genus

Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes

Name status

Accepted

How to grow

Cultivation

Will grow well in soils that are moderately fertile and moist but well-drained preferably in full sun but will tolerate some shade. Once the plant is established it will require less watering. See rosemary cultivation for further advice

Propagation

Propagate by semi-ripe cuttings in summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Wildlife gardens
  • Patio and container plants
  • Low Maintenance
  • Flower borders and beds
  • Garden edging
Pruning

Pruning group 9; trim hedges after flowering

Pests

May be susceptible to rosemary beetle, cuckoo spit, sage leafhopper, tortrix moth and scale insects

Diseases

May be susceptible to honey fungus (rarely), powdery mildews, verticillium wilt and foot and root rots

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