Salvia rosmarinus (Prostrata Group) 'Whitewater Silver' (Ro)
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.
Buy this plant
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
5–10 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
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
ShelteredDrought resistance
Yes Hardiness
H4Botanical 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
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.