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Campanula carpatica /kæmˈpænjʊlə/

Common name: Carpathian bellflower · Tussock bellflower · Carpathian harebell

Campanula carpatica is a low, clump-forming herbaceous perennial native to the Carpathian Mountains of Central Europe. It forms neat mounds of toothed green leaves that are smothered from early summer onward in large, upward-facing, cup-shaped bells of violet-blue or white. One of the most dependable and cold-hardy bellflowers, it is a staple of rock gardens, border fronts, edging and containers.

Care summary

Sun Full sun to part shade; afternoon shade in hot climates
Water Keep soil evenly moist; water during dry spells
Soil Average, moist but well-drained soil; tolerates alkaline and chalky ground
Hardiness Zones 3–8
Mature height 15–30 cm (6–12 in)
Pet safe Not listed as toxic to cats or dogs by the ASPCA
Difficulty Easy
Propagation By division in spring or fall, basal cuttings, or seed

Fun facts

  • The epithet 'carpatica' points straight to its homeland, the Carpathian Mountains.
  • Campanula means 'little bell' in Latin, a nod to the flowers' shape.
  • Its bells face upward rather than nodding, showing their color from above like a carpet.
  • Hardy to around -40 C (USDA zone 3), it is among the toughest garden perennials grown.

Common problems

    • Plant in sharply drained gritty soil
    • Avoid piling mulch against crowns
    • Divide and replant healthy sections
    • Set beer traps near vulnerable plants
    • Apply iron phosphate slug bait
    • Remove hiding spots like boards
    • Space plants for good air circulation
    • Water at the base only
    • Cut back mildewed growth after flowering
    • Dig up and divide clumps every three years
    • Replant vigorous outer sections, discard woody center
    • Divide in early spring or after flowering
    • Water divisions well until re-established