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PlantFiles: Canterbury Bells
Campanula medium 'Champion Blue'

Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Campanula (kam-PAN-yoo-luh) (Info)
Species: medium (MEED-ee-um) (Info)
Cultivar: Champion Blue

One vendor has this plant for sale.

3 members have or want this plant for trade.


24-36 in. (60-90 cm)

9-12 in. (22-30 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Medium Blue

Bloom Time:
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

Click thumbnail
to view:

By mgarr
Thumbnail #1 of Campanula medium by mgarr

By Kell
Thumbnail #2 of Campanula medium by Kell

By Kell
Thumbnail #3 of Campanula medium by Kell


No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral bariolio On May 21, 2013, bariolio from Houston, TX (Zone 9a) wrote:

This was my second try growing Canterbury Bells in Houston. I've tried it in sun and a shady spot under my pergola. This last one was beautiful one day and fried the next! I think a fungus got it both times, now that I think of it. Might try again because it's a beautiful plant loaded with gorgeous blue flowers. The plant has a central stalk and many side shoots from which flowers develop. Keeping it deadheaded helps keep flower production going. I helped support the stems with small stakes and clips. I wish someone with experience would chime in here. I'd love one to last more than 2 weeks :)

Neutral GrannieFrannie On May 24, 2011, GrannieFrannie from Harrisonville, MO wrote:

I just purchased this plant today. I just could not walk away from this overwhelmingly beautiful blue blossom. I'm trying to decide where to plant it & I'm finding contradictory information on the web. The plant tag says perennial, but some sites say biennial & others say annual because it produces seeds (don't all plants produce seed?). The plant came tied to a stake, so I thought it was a vining plant, but web says mounding & recommends pinching back. Should I keep it tied up? It is very top heavy with blooms & stem is very weak. Should I pinch it back? Does any one out there have practical experience growing this plant? I don't want to kill it & I want it to come back next year.


This plant has been said to grow in the following regions:

Sacramento, California
San Leandro, California
Knoxville, Tennessee

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