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Arenaria montana
  • RHS AGM

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

Other common names
mountain daisy

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
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
H5
Botanical details
Family
Caryophyllaceae
Native to the UK
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

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