Campanula 'Catharina'

Campanula 'Catharina' is a low-growing, spreading perennial forming mats of green leaves, bearing masses of star-shaped, rich purple-blue flowers in summer, suitable for rock gardens.

Sun: Full Sun.

Soil: Gritty, well-drained.

Hardiness: H5 — down to −15°C.

Flowering: Apr, May, Jun.