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Herbs - CulinaryShrubs

Salvia rosmarinus (Prostrata Group) 'Whitewater Silver' (Ro)
  • RHS Plants for pollinators

rosemary 'Whitewater Silver'

A compact, evergreen shrub with a prostrate habit and narrow, dark green leaves with a silver underside and pale blue flowers in small axillary clusters, in spring and summer.

Synonyms
Rosmarinus officinalis (Prostratus Group) 'Whitewater Silver'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green Grey Silver
Summer Blue Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H4
Botanical details
Family
Lamiaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Spreading branched
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

This aromatic prostrate shrub prefers, well-drained soils in full sun and makes a good ground cover. See rosemary cultivation for further advice

Propagation

Propagate by semi-hardwood cuttings in late summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Patio and container plants
  • Mediterranean climate plants
  • Gravel garden
  • Low Maintenance
Pruning

Pruning group 9 but no regular pruning required

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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