A low growing free flowering species that is ideal for raised beds and rockeries. Although they love full sun, many forms will also tolerate light shade.
Family: Caryophyllaceae (pink or
Botanical Name: Arenaria
Common Names: Mountain daisy, Sandwort, Scotch moss, Irish moss
Foliage: Simple small green elliptic leaves. Some varieties are evergreen.
Flowers: Five petalled white or pink flowers on erect stems.
Flowering Period: Spring and early summer.
Soil: Well-drained soil (chalk, sand or loam). Any pH. Thrives in poor sandy soils.
Conditions: Full sun or partial shade. Requires a south, east or west facing aspect, in either an exposed or sheltered location.
Habit: Spreading, low growing, mat forming, creeping.
Type: Herbaceous perennials or annuals.
Origin: SW Europe
Hardiness: Fully hardy in most regions of the UK (down to -10°C).
Plant out in the spring, in a well drained sandy soil that is not too fertile.
Suitable for rock gardens, scree or gravel beds, wall or paving crevices or an alpine trough.
No pruning necessary. Deadhead to prolong flowering and to prevent self seeding.
Generally pest and disease free.
Divide and replant perennials in spring. Sow seed of annuals in the spring or autumn.
Arenaria balearica produces a dense dark green carpet, topped with tiny stary white flowers. Prefers a light shady spot. Note: this form can be invasive.
Arenaria caespitosa ‘Aurea’ has rich golden foliage.
Arenaria montana a semi-trailing form that produces masses of white blooms.
Arenaria purpurascens forms a dense carpet of pink flowers.