Carpathian bellflower, Campanula

■ The richly flowering Carpathian bellflower is native to mountainous regions and grows throughout the northern hemisphere.
■ It is a fine plant, low-growing, tussock-shaped with comparatively large bell-shaped blue flowers.
■ Suitable for between stones, on walls, in pots and beds.
■ Flowers almost all summer long.
■ Sow Bellflower in a greenhouse or in a seedbed, prick out and plant in final location.