| Scientific Name: | Sagina subulata |
| Common Name: | Irish moss, pearlwort |
| Family Name: | Caryophyllaceae |
| Origin: | Europe |
| Hardiness Zone: | Zone 3: (-40 to -34 °C) |
| Plant Type: | Ground cover, Herbaceous perennial |
| Mature Size: | < 0.1m x 0.1 - 0.3m (height x width) |
| Habit: | Dense, Spreading |
| Form: | Creeping / Mat-like |
| Texture: | Fine |
| Landscape Uses: | Accent plant, Alpine, Container planting, Ground cover, Rock garden, Small garden/space |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Needle-like, Opposite, Soft flexible, Glandular hairs, Linear, Entire |
| Flowers: | Flowers solitary, White, May-Jun-Jul |
| Fruit: | Capsule, Green, Brown, Jul-Aug |
| Key ID Features: | |
| Low-growing prostrate perennial plant forming a thick, dense mat, stems <10cm long; leaves opposite, slender subulate (awl-shaped), most 4-9mm long x ~0.5mm wide; flowers solitary, 4-5mm wide, five white petals as long as the green sepals; capsules 2.5-3mm long, seeds triangular shaped, 0.4-0.5mm, brown and smooth. | |