Arenaria montana
mountain sandwort
A low evergreen perennial forming a loose mat to 30cm in width, of small, rich green, elliptic leaves, with erect stems to 10cm in height, each carrying a few pure white flowers 1.5-2cm in width in early summer
Size
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Caryophyllaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Matforming
- Genus
Arenaria can be annuals or usually mat-forming, evergreen or herbaceous perennials with small leaves and 5-petalled white flowers
- Name status
Correct
- Plant range
- SW Europe, Morocco
How to grow
Cultivation
Easily grown in rock garden or in a crevices in a wall or paving. Grows best on poor sandy soils
Propagation
Propagate by seed, division or basal cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Gravel garden
- Rock garden
- Patio and container plants
- Low Maintenance
- Garden edging
- Ground cover
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
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.