Salvia rosmarinus 'Arp' (Ro)
rosemary 'Arp'
A bushy evergreen shrub, to around 90cm high, with highly aromatic, linear grey-green leaves with pale, felted undersides. Small, pale purple flowers are produced in the leaf axils in late spring and early summer. Reputed to be hardier than some other varieties
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
5–10 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Purple | Green Grey Silver | ||
|---|---|---|---|---|
| Summer | Purple | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter | Green Grey Silver |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Lamiaceae
- Native to GB / Ireland
- 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
Thrives in a sunny spot, in light, well-drained soil that is not too acidic. Protect from excess winter wet, and from hard frosts in colder locations. See rosemary cultivation for more advice
Propagation
Propagate by heel cuttings in spring or by semi-ripe cuttings in late summer
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Gravel garden
- Mediterranean climate plants
- Patio and container plants
- Rock garden
- Wildlife gardens
- Flower borders and beds
- Wall side borders
Pruning
Pruning group 9, trim annually in spring to keep plants compact
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.