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Campanula, Bellflower, Canterbury Bells 'Champion Blue'

Campanula medium

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

Category:

Biennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for cutting

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Suitable for growing in containers

Height:

24-36 in. (60-90 cm)

Spacing:

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

Hardiness:

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Unknown - Tell us

Bloom Color:

Medium Blue

Blue-Violet

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

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

Regional

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

Sacramento, California

San Leandro, California

Greensboro, North Carolina

Knoxville, Tennessee

Gardeners' Notes:

0
positives
2
neutrals
0
negatives
RatingContent
Neutral

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

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.

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