Campanula, Adria Bellflower, Dalmation Bellflower, Wall Bellflower 'Resholdt's Variety'

Campanulaportenschlagiana

Family
Campanulaceae (kam-pan-yew-LAY-see-ee)
Genus
Campanula (kam-PAN-yoo-luh)
Species
portenschlagiana (port-en-shlag-ee-AH-nuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
under 6 in. (15 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 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)
Bloom Color
Medium Purple
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Alpines and Rock Gardens
Groundcovers
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
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Regional

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

Brea, California

Winchester, Massachusetts

Scarsdale, New York

Fargo, North Dakota

MOUNT HOOD PARKDALE, Oregon

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Gardener's Notes:

1
positive
0
neutral
0
negative
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J
Winchester, MA (Zone 6a) | December 2007 | positive

During June, this campanula flowers in a lovely carpet of purple on a shady stone wall in zone 6a. Foliage looks quite nice the rest of ...Read More

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