Photo by Melody

PlantFiles: Clustered Bellflower
Campanula glomerata 'Joan Elliott'

Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Campanula (kam-PAN-yoo-luh) (Info)
Species: glomerata (glahm-er-AH-tuh) (Info)
Cultivar: Joan Elliott
Additional cultivar information: (aka Joan Elliot)

3 vendors have this plant for sale.

7 members have or want this plant for trade.


6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

18-24 in. (45-60 cm)

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)

Sun Exposure:
Sun to Partial Shade


Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


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)
7.9 to 8.5 (alkaline)

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; sow indoors before last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Click thumbnail
to view:

By DrDoolotz
Thumbnail #1 of Campanula glomerata by DrDoolotz

By DrDoolotz
Thumbnail #2 of Campanula glomerata by DrDoolotz

By wendyelsey
Thumbnail #3 of Campanula glomerata by wendyelsey

By ms_greenjeans
Thumbnail #4 of Campanula glomerata by ms_greenjeans

By Gabrielle
Thumbnail #5 of Campanula glomerata by Gabrielle

By growin
Thumbnail #6 of Campanula glomerata by growin


2 positives
No neutrals
1 negative

Gardeners' Notes:

Negative Gabrielle On Jul 10, 2011, Gabrielle from (Zone 5a) wrote:

The flower is beautiful, I'll give it this, BUT I garden for a living and I am constantly trying to get this plant under control in almost every person's garden I work in. I started it in mine, but decided I would rip it out before it became a home front battle. Even with just one year's growth from a small start, it took a year to get it eliminated. Plant with caution.

Positive ms_greenjeans On Oct 26, 2010, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

'Joan Elliott' is beautiful when in bloom, and it pops out fairly early just when I need something. However, I am not crazy about the foliage, so I planted it where other things will come up around it later in the season. I like the color, shape and size of the flowers, and it is a low-maintenance, trouble-free plant. It does tend to spread, so I divide it every couple of years.

Positive DrDoolotz On May 12, 2006, DrDoolotz from Oxford, NS (Zone 5b) wrote:

This is a very pretty campanula in a deep purple color. The tag says it flowers "late spring thru early summer" which is different to what PlantFiles says. I am in zone 5a and it is really the only thing I have in flower yet (early May) besides spring bulbs and pinks. So, I would not even say it was late spring. It is growing strongly and is not spreading beyond its bounds. A very nice plant.


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

Champaign, Illinois
Urbandale, Iowa
Bardstown, Kentucky
Hopkins, Minnesota
Berlin, New Hampshire
Belfield, North Dakota
Portland, Oregon
Norristown, Pennsylvania
Knoxville, Tennessee
Vancouver, Washington

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