6 blue and violet Campanulas

Campanula carpatica 'Karl Foerster'

Throughout the summer, the Campanula carpatica ‘Karl Foerster’, known as the Carpathian bellflower, offers us large flowers in a blue-mauve hue. Its large bells can exceed 5 cm in diameter. This semi-evergreen variety with a spreading habit can reach heights of 20 to 30 cm and a spread of 30 cm. The Carpathian bellflower is ideal for rockeries, borders, above a low wall, as ground cover, and even in pots. To thrive, it requires a sunny or partially shaded position. This beautiful bellflower prefers cool soil, even calcareous, but is wary of excess moisture. Easy to cultivate, it does not appreciate overly hot climates or excessively dry summers.

Campanula carpatica ‘Karl Foerster’

Campanula latifolia 'Var. Macrantha'

If you are looking for a large campanula, the variety latifolia ‘Var. macrantha’ will charm you. It is one of the largest campanulas. In fact, it typically reaches 1.20 m in height with a spread of 50 cm. This beautiful perennial bears delicate bell-shaped flowers of a deep violet blue from June to July. It is hardy, semi-running, and has a bushy habit. Its elongated foliage is deciduous. Very hardy, it acclimatises easily to both shade and sun. The Campanula latifolia ‘Var. macrantha’ enjoys a rich, moist substrate but also tolerates heavy, clay soils. It will perfectly enhance a border, a bed, a rockery, an edge, or a woodland.

Campanula latifolia ‘Var. macrantha’

Campanula glomerata 'Joan Elliot'

Campanula glomerata ‘Joan Elliot’ is a delightful perennial that blooms twice: in early summer and then in autumn. Its large purple campanulate flowers are grouped in clusters. It is also a very beautiful cut flower, earning it the name Bouquet Bellflower. This variety with deciduous foliage will naturally find its place in borders. Its habit is bushy, forming a clump 40 cm high and 70 cm wide at maturity. Easy to grow, Campanula glomerata ‘Joan Elliot’ enjoys a sunny or partially shaded position in rich, light, cool, and well-drained soil.

Campanula glomerata ‘Joan Elliot’

Campanula 'Poscharkyana'

Is it still useful to present Campanula ‘Poscharkyana’? This perennial variety is very popular and renowned for its hardiness, making it a must-have in the garden. Easy to grow, it thrives in both sun and shade, tolerates drought as well as moisture, but dislikes heavy soils. With its semi-evergreen foliage, it forms a spreading mat of 30 cm in all directions. Its delicate little star-shaped blue-violet flowers appear twice: in spring and then in autumn. Campanula ‘Poscharkyana’ is perfect for borders, paving joints, a low wall, a pot, or the base of a tree in woodland.

Campanula poscharkyana

Campanula hybrid 'Pantaloons'

The hybrid Campanula ‘Pantaloons’ is a very original perennial with its semi-double flowers shaped like large bells. They display shades of pink-violet and pale pink at the edges. The bells, measuring 6 to 7 cm in length, appear from June to September. This lovely bushy variety, with deciduous foliage, will reach 50 cm in height and 40 cm in spread at ripeness. Easy to grow, it thrives in full sun or partial shade, in rich, cool, and well-draining soil. This beautiful hybrid Campanula ‘Pantaloons’ is stunning in a border, a pot, rockeries, or at the edge of woodlands.

The hybrid Campanula ‘Pantaloons’

Campanula persicifolia 'Hidcote Amethyst'

Campanula persicifolia ‘Hidcote Amethyst’, commonly known as “Peach-leaved Bellflower”, is a very attractive perennial that is easy to grow. Its semi-evergreen foliage is adorned, from June to July, with magnificent large bell-shaped flowers, in an indefinable colour, blending mauve and violet-pink. It will reach a height of 60 to 80 cm with a spread of 30 cm. Its tall and slender habit gives it a spreading silhouette. Foolproof, the Campanula persicifolia ‘Hidcote Amethyst’ is perfect for a border, in rockeries, on a bank, or in a flowering meadow. Choose a sunny or partially shaded location, in ordinary, cool, and light soil. It slightly tolerates acidic or chalky soil.

The Campanula persicifolia ‘Hidcote Amethyst’

To go further

• Discover everything you need to know about campanulate flowers in our article: planting, growing and care.
• Find all our varieties of campanulate flowers.