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Arenaria montana (photo courtesy of Denver Botanic Gardens)
Arenaria montana (photo courtesy of Denver Botanic Gardens)

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Zone
Zones 2-9, 14-24, 31, 32, 34-43
Full SunPartial Sun
Full, Partial
Regular Water
Moderate

Arenaria montana

Scotch and Irish Moss
Caryophyllaceae
Evergreen, Ground covers, Perennials

ARENARIA

Low evergreen plants carpet the ground creating a dense mat of mosslike foliage; small white flowers in late spring and summer. They are often used as lawn substitutes, between steppingstones, or for velvety green patches in rock gardens. Can be invasive; hard to eradicate in well-watered gardens. Providing good drainage is recommended.

Arenaria montana

Grows to 2–4 in. high; weak stems up to 1 ft. long are usually covered with soft hairs. Leaves grayish green, 1/2–3/4 in. long. Good plant to let trail over rocks or tumble over a low wall.

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