This pretty diminutive addition to the sunny rock garden forms a low, tufted mound of narrow, grassy leaves, bearing clusters of tiny white flowers in late spring. It will often self sow in well-drained locations, tolerating poor sandy or gravel soils. Native to Arctic areas of North America and Europe, it is extremely hardy, but happiest in cool-summer regions where it will be happy in the rockery or front of the border.
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