Ash-colored Speedwell is a diminutive evergreen perennial that brings delicate beauty to even the smallest garden spaces, growing just 3-6 inches tall while spreading 6-12 inches wide as a living carpet. Native to the eastern Mediterranean and Asia Minor, this dense, multi-stemmed ground cover produces abundant pale purple-blue flowers with white centers throughout June and July, held in upright clusters of 10-25 blooms per spike. Hardy in zones 5-8, it thrives in full sun to partial shade with moderate water and minimal fuss, earning it a place in low-maintenance landscape designs where its fine, thyme-like foliage and early summer color shine.
Partial Sun
Moderate
5-8
6in H x 12in W
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Moderate
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Pale purple-blue flowers with crisp white centers emerge in early summer on trailing stems clad with tiny, narrow, woolly foliage that echoes thyme in texture and form. The plant's mat-forming habit and measured spread of 12 inches or more make it an excellent choice for rock gardens, border edges, and container planting where you want controlled, ornamental coverage. Even established plants tolerate occasional dry spells once settled, though consistent moisture and sharp drainage yield the most vigorous growth and abundant flowering.
Ash-colored Speedwell serves as a ground cover in gardens where low-growing, spreading plants create visual texture and early-season interest. Its compact stature and dense, mat-forming habit make it valuable for edging pathways, filling gaps between pavers, and softening hardscape in rock gardens or alpine troughs.
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