Photo by Melody

PlantFiles: Serbian Bell Flower
Campanula poscharskyana 'Blue Star'

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Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Campanula (kam-PAN-yoo-luh) (Info)
Species: poscharskyana (po-shar-skee-AH-nuh) (Info)
Cultivar: Blue Star
Additional cultivar information: (Addenda series)

Category:
Biennials

Height:
12-18 in. (30-45 cm)

Spacing:
18-24 in. (45-60 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:
Blue-Violet
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Kell On Dec 4, 2007, Kell from Northern California, CA (Zone 9b) wrote:

Campanula poscharskyana Addenda Blue Star is a trailing campanula that bursts in flower covering the entire plant. It will bloom indoors for up to 4 weeks and outside for up to 2 months. Trim back and it will bloom again.

This one was hybridized by the Danish nursery Kjaergaardsminde and is being marketed by Young Plants as one of the many Kjaergaardsminde hybrids called "Addenda" plant which means "extra." It has been bred supposedly for the best in form, flowering ability as well as being more disease free by the Kjaergaardsminde nursery.

This one also comes in white flowers, Campanula poscharskyana Addenda White Star.



Regional...

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

San Leandro, California



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