Campanula, Nettle-Leaved Bellflower, Throatwort Bellflower 'Bernice'

Campanulatrachelium

Family
Campanulaceae (kam-pan-yew-LAY-see-ee)
Genus
Campanula (kam-PAN-yoo-luh)
Species
trachelium (trak-ELL-ee-um)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 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)
Danger
N/A
Bloom Color
Medium Purple
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Grayslake, Illinois

Roslindale, Massachusetts

Hopkins, Minnesota

Denville, New Jersey

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Gardener's Notes:

2
positives
1
neutral
0
negative
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C
ROSLINDALE, MA | December 2014 | positive

The sterile double flowers are very beautiful.

I've grown this in partial shade. The flower stems needed support. This als...Read More

M
Hopkins, MN (Zone 4a) | July 2011 | positive

This is an excellent bellflower. It has nicer foliage than campanula glomerata and is sturdier than the peach-leaved bellflower. It has...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Med ht. 20-36"- plant 14" apart. zone 3/4-8. A frilly double flowering Bellflower with sturdy stems and crinkled foliage. Blooming abunda...Read More

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