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A picture of a Canterbury Bells

Canterbury Bells

Campanula medium

Also known as

Bells Of Holland, Bell Flower

Flower, Campanula medium "Canterbury bells" - Flickr - nekonomania (1) by Yoko Nekonomania (CC BY 2.0)

Full Sun
Moderate care
Moderate watering
Half-hardy

8a-9b

USDA zone

-12°C

Minimum temperature

Expected size

Height
Spread

1m

Max

50cm

50cm

Min

10cm

2 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Canterbury Bells

Campanulaceae - Campanula medium-2
Campanulaceae - Campanula medium-1
Campanulaceae - Campanula medium-7
Campanulaceae - Campanula medium-3
Campanula medium flowers

Canterbury Bells Overview

Campanula medium is a beautiful nostalgic biennial species which flowers profusely from spring to autumn. The showy bell-shaped blue, pink, purple or white flowers will add grace and elegance to your garden. Blooms are single or double flowers and this species has an upright growth habit. Leaves are lance-shaped and arranged in a basal rosette, these measure around 15cm in length. Can be easily grown from seed, but often flowers in the second year. They have long, fairly weak stems so these are better planted in a protected spot out of wind and in a group so they can support each other.

Common problems with Canterbury Bells

Slugs and snails are common pests; can be affected by powdery mildew and rust diseases.

How to harvest Canterbury Bells

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

How to propagate Canterbury Bells

Cuttings

Basal cuttings in spring.

Division

Division best done in spring or autumn.

Seed

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 Canterbury Bells

Attracts useful insects

Including bees and butterflies.

Attractive flowers

Other uses of Canterbury Bells

Cut flowers

Long lasting flowers are used as cut flowers in the floristry industry.

Garden Biennials

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