A picture of a Cornish Bellflower

Cornish Bellflower

Campanula alliariifolia

Also known as

Spurred Bellflower, Ivory Bells, Bellflower

Campanula alliariifolia-IMG 7142 by C T Johansson (CC BY-SA 3.0)

Full Sun
Moderate care
Moderate watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size








2 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Cornish Bellflower

A close up of two white Campanula alliariifolia flowers
A photo of Cornish Bellflower
A photo of Cornish Bellflower

Cornish Bellflower Overview

Popular as an ornamental plant, Campanula alliariifolia is a perennial species with a vigorous, clumping growth habit. It grows from a central rootstock and is also known as Cornish bellflower, ivory bells and spurred bellflower. Foliage is soft, heart-shaped and covered in hairs. This easy to grow species produces abundant, showy, bell-shaped, white flowers with pointed petals, these hang from unbranched, vertical stems above the leaves.

Common problems with Cornish Bellflower

How to harvest Cornish Bellflower

Deadheading the plants regularly will encourage more blooms to develop. Keep the seed heads in paper bags until ready to sow.

How to propagate Cornish Bellflower


Basal cuttings in spring.


Division best done in spring or autumn.


Sow seed directly into the garden in late spring or early summer with only a thin layer of soil covering them. Keep moist, and thin out or replant once the seedlings become large enough.

Special features of Cornish Bellflower

Attractive flowers

Attracts useful insects

Good plants for attracting bees and other pollinating insect wildlife into your garden.

Other uses of Cornish Bellflower

Rock garden. borders. Suitable for coastal conditions.