Widespread in the northern temperate zones, Campanula is made up of around 300 species of annuals, blennials, and perennials, and is the type genus for the bellflower family (Campanulaceae). Growth habit and size varies, but the species can be divided into 3 broad groups: trailing types suitable for rockeries; low mounding forms whose flowers are among the foliage; and those with a basal foliage clump and tall upright flower stems. The leaves are mostly lance-to heart-shaped and nearly always have toothed or lobed edges. The flowers, usually bell-shaped, have 5 petals or lobes that are often reflexed at the tips. Named from the Latin campana (bell), species have been cultivated since medieval times and were once used medicinally.
CULTIVATION
Mostly very hardy, Campanula species grow in sun or partial shade and do best in humus-rich well-drained soil. Rockery types need grittier soil; tall varieties may need staking. Propagate by division, from cuttings, or from seed as appropriate for the growth form. Cut back after flowering to encourage further growth.
Top Tip
Campanula species thrive on plenty of sunshine. Although they are hardy and can handle the cold, they require excellent drainage for best results.
CULTIVATION
Mostly very hardy, Campanula species grow in sun or partial shade and do best in humus-rich well-drained soil. Rockery types need grittier soil; tall varieties may need staking. Propagate by division, from cuttings, or from seed as appropriate for the growth form. Cut back after flowering to encourage further growth.
Top Tip
Campanula species thrive on plenty of sunshine. Although they are hardy and can handle the cold, they require excellent drainage for best results.
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