| Scientific Name: | Arenaria montana |
| Common Name: | mountain sandwort |
| Family Name: | Caryophyllaceae |
| Origin: | Europe |
| Hardiness Zone: | Zone 2: (-46 to -40 °C) |
| Plant Type: | Ground cover, Herbaceous perennial |
| Mature Size: | 0.1 - 0.2m x 0.1 - 0.3m (height x width) |
| Habit: | Dense, Spreading |
| Form: | Creeping / Mat-like |
| Texture: | Medium - fine |
| Landscape Uses: | Alpine, Attract beneficial insects, Container planting, Erosion control, Ground cover, Group or mass planting, Perennial border, Rock garden, Spring interest |
| Exposure: | Full sun |
| Soil or Media: | Rocky or gravelly or dry, Well-drained |
| Leaves: | Simple, Opposite, Sessile, Soft flexible, Pubescent, Lanceolate, Linear, Oblong, Ciliate |
| Flowers: | Cyme, White, Jun-Jul-Aug |
| Fruit: | Capsule, Brown, Sep-Oct |
| Key ID Features: | |
| Low round-topped ground cover; leaves opposite, sessile, elliptic 2-3cm long x 4-8mm wide; flowers with 5 white petals over summer. | |