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Polygala calcarea
Chalk milkwort is a small, mat-forming evergreen perennial from western Europe, grown for its spikes of deep blue spring flowers. It needs sharply drained, alkaline-leaning soil and suits an alpine or rock garden.
Polygala calcarea, the chalk milkwort, is a species of flowering plant in the family Polygalaceae, native to western Europe. It is a delicate mat-forming evergreen perennial growing to 5 cm (2 in) tall by 20 cm (8 in) broad, with spikes of small, vivid deep blue flowers in spring, and leathery, oval leaves.
It prefers sharply drained conditions, and is suitable for cultivation in an alpine garden.
Chinese Senega Root · Purple Broom · Polygala wattersii · Milkwort · Seneca Snakeroot
Text excerpted from the Wikipedia article Polygala calcarea by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
