Mountain Sandwort

Mountain Sandwort

Arenaria montana

This mounding perennial bears white flowers in spring summer.

  • White flowers are produced in spring summer, providing colour through the bloom season.
  • Mounding clump, reaching 10 cm at maturity; divide every three to four years to maintain vigour.
  • Best in full sun to partial shade to full shade with average, dry, well-drained soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Well-drained, Dry, Average
Drought Tolerant
✓
Hardiness Zone
3 – 3
Mature Height (meters)
0.05 – 0.1
Mature Spread (meters)
0.25 – 0.3
Growth Rate
Medium
Flower Colour
White
Foliage Colour
Green
Bloom Time
SpringSummer
Habit
Mounding
Deer Resistant
✓
Rabbit Resistant
✓
Pollinator Friendly
✓
Landscape Uses
Border, Rock garden
Growing & Maintenance Tips
Arenaria requires a sandy, well-drained soil and grows very well in rock gardens. Can be divided in the spring. Prune flowers when finished to maintain a tidy, bushy plant. Do not prune heavy in the fall, but a light trim in the spring removes any winter dieback.

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