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PlantFiles: Canterbury Bells
Campanula medium

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

2 vendors have this plant for sale.

9 members have or want this plant for trade.

Category:
Biennials

Height:
24-36 in. (60-90 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
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

Danger:
Unknown - Tell us

Bloom Color:
Medium Blue
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Herbaceous

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:
Non-patented

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

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to view:

By Evert
Thumbnail #1 of Campanula medium by Evert

By Weezingreens
Thumbnail #2 of Campanula medium by Weezingreens

By Evert
Thumbnail #3 of Campanula medium by Evert

By sodakine
Thumbnail #4 of Campanula medium by sodakine

By mgarr
Thumbnail #5 of Campanula medium by mgarr

By emilyrasmus
Thumbnail #6 of Campanula medium by emilyrasmus

By Kim_M
Thumbnail #7 of Campanula medium by Kim_M

There are a total of 23 photos.
Click here to view them all!

Profile:

7 positives
No neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Positive ewilliams207 On Aug 6, 2012, ewilliams207 from Mount Vision, NY wrote:

With regard to the negative comment above, you evidently got the type of plant that spreads aggressively. Not all Canterbury Bells spread, though. I unwittingly ordered one that's aggressive, and nowhere in the description was this mentioned. Lucky for me, I keep a raised bed for trying out new plants so I can see exactly what they will do so I can find the best place for them. This one just zoomed all the way across one end of the bed it's first year-not even it's blooming year! So I put it where it could stretch out all it wanted--in and around a bunch of ferns and lungwort. So I love it.

Positive TiaLee1 On Aug 6, 2012, TiaLee1 from Rathdrum, ID (Zone 5b) wrote:

The campanula that I have has a double bloom in sky blue. It blooms profusely, but does need deadheading to keep those blooms coming. This year, I even cut the plant back by half after the first flush and now, shorter, it is blooming more than ever. It gets about 25-30 inches. It is planted in a large raised bed with a crab apple in the middle. The soil is only so-so. Very rocky and sandy. (I am working on it) Lots of sun almost all day. Definitely recommend.

Negative JenDion On Jun 27, 2012, JenDion from Litchfield, NH (Zone 5b) wrote:

I have these planted in full sun (like 10+ hours of direct sun w/o shade) in irrigated flower beds alongside my veg garden. I found these to be well behaved the first year, but this year they spread out and sprawled all over their neighbors. It is possible the soil is too rich as I do use compost and manure in my beds. The stems are also very brittle, so that as I am attempting to mulch, weed or contain these plants whole stems break off. Pretty but disappointing.

Positive annlof On May 27, 2011, annlof from Camarillo, CA wrote:

New flower buds often form right at the base of the first flowers. So if you snip off each spent bloom individually more blooms will develop. It's time-consuming but worth it -- these plants can keep going for months.

Positive Kamlhj On May 24, 2011, Kamlhj from Baltimore, MD (Zone 7b) wrote:

My favorite plant! After several yrs of trying, my best results were to scatter seeds in garden around July or Aug, separate about 6" apart in early Oct, cover with leaves to over-winter, & then divide once again in late April to 2' apart. I had to keep them moist that 1st year but they can endure it slightly dry the 2nd (blooming) year. They like good soil & a slight amt of fertilizer. They often need to be supported.
They grow beautiful in the mid-atlantic region. Shades of white, pink,light blue, & dark blue-purple I have seen, with an occasional in-between mix.
When grown in the garden, people are amazed because most have never seen them before ( some even think they are not real because they look so good).
In short, if you have the time & start out with many seeds ( I found out that about 1/3 of plants die in the spring), the resulting display will truly be worth it.

Positive Gabrielle On Jun 6, 2006, Gabrielle from (Zone 5a) wrote:

Large, beautiful bell shaped flowers. It does not have the "saucer" like some Cup and Saucer flowers do. Takes a fair amount of shade.

Light aids germination of seeds.

Positive sodakine On Jun 1, 2003, sodakine from Duarte, CA (Zone 9a) wrote:

I was amazed to see how long the flowers lasted out in the Southern California sun. I waited 10 days for more flowers to bloom before I took a picture, and I only had to deadhead 5 or 6 flowers. Wow!

Positive Evert On Jan 28, 2003, Evert from Helsinki
Finland (Zone 4b) wrote:

Very pretty biennial plant, I grew mine from seeds. It bloomed twice and produced big pods which had seeds I think, but they had dropped out, when I tried to pick them, there were somekind of small sharp needles that stung me. So wear gloves if you try to collect them..

I sowed mine just outdoors, I bought a cheap packet of the seeds and I spread the seeds on top of the soil on a small shady area. They sprouted and I got many seedlings which from about 8 survived. I replanted them to half-shady area and next Spring they were still alive :D One bloomed. Other probably will bloom next summer.

Regional...

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

Camarillo, California
Los Angeles, California
Paradise, California
Carbondale, Colorado
Clinton, Connecticut
Rathdrum, Idaho
Barbourville, Kentucky
Baltimore, Maryland
Grosse Ile, Michigan
Litchfield, New Hampshire
Mount Vision, New York
Sayville, New York
Geneva, Ohio
Lima, Ohio
Jones, Oklahoma
Molalla, Oregon
Wilkes Barre, Pennsylvania
Clarksville, Tennessee
Salt Lake City, Utah
Elk, Washington
Spokane, Washington



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