Campanula punctata arrives from Siberia, China, and Japan, which gives it a cold hardiness — zones 5 through 9 — that extends its usefulness well into northern gardens. It grows 1 to 2 feet tall and spreads by rhizomes at a pace that can become assertive in good conditions; this is a plant to position thoughtfully rather than tuck into a small, bordered bed from which it cannot escape. The flowers are the point: large, tubular, pendant bells in soft pink with a freckling of deeper pink spots on the interior — the punctata of the name, meaning spotted. They appear in masses from late spring and continue through the summer months, giving the garden a long period of interest. The downward-facing habit of the blooms means they are best appreciated up close or on a slope where the interior markings are visible.

In practical terms it is straightforward: well-drained soil, full sun to partial shade (with partial shade preferred in the hotter parts of its range), and the willingness to divide or contain it every three to four years. Where growing conditions are genuinely favorable it will self-seed as well as spread by rhizome, so some management is needed to keep it in its allotted space. In a larger border, a wild garden, or a naturalized woodland edge, its tendency to spread is an asset rather than a problem. The flowers and leaves are used as potherbs in its native range, giving those who grow it an additional, edible dimension that few ornamental campanulas can claim.