Salvia rosmarinus 'Primley Blue' (Ro)
rosemary 'Primley Blue'
A robust, bushy upright, evergreen shrub about 1m tall, with short, needle-like, linear and very aromatic dark green leaves, and mid-blue flowers, produced in mid-spring to early summer
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue | Green | ||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical 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
Grow in poor to moderately fertile, well-drained soil in sun, see rosmary 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
- Coastal
- Low Maintenance
- Flower borders and beds
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
Get involved
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