Campanula poscharskyana

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Campanula poscharskyana Degen


Life form: perennial
Usage: ornamental plant

Exposure: sun - Exposure: half shade   3

Moisture: moist

Soil: sandy loam - Soil: gritty loam

Arrangement: alternate
Leaves: decidious

Shape: orbicular

Division: simple

Shape: five-stellate
Fruit: poricidal capsule

97C / 97a1e0 

Inflorescence: panicle

Petals: single
Habit: not specified

Growth form: mat-forming



Campanula poscharskyana is a perennial.


Campanula poscharskyana was described by Árpád von Degen. The name is considered as validly published.


Campanula poscharskyana is a species in the genus Campanula which contains approximately 503 to 622 species and belongs to the family of the Campanulaceae (Bellflower Family). The type species of the genus is Campanula latifolia.


Campanula poscharskyana - habitus
Campanula poscharskyana - flowers


The perennials have a mat-forming habit and reach heights of 10 to 15 centimetres. The plants reach a width of 0.6 to 1 metres.


Campanula poscharskyana is deciduous. The dark-green, simple leaves are alternate. They are orbicular with dentate margins. The leaves are around 10 to 20 centimetres large and have a glabrous surface.

Flowers and Fruits

Campanula poscharskyana produces panicles of sky-blue five-stellate flowers from June to September.

The perennials produce poricidal capsules.

Root System


Campanula poscharskyana is native to Croatia.


The perennials prefer a sunny to half-shady situation on moist soil. The substrate should be sandy-loamy or gritty-loamy soil with a pH between 8 and 10. They tolerate temperatures down to -40°C (USDA zone 3). In winter the plants prefer frost-free conditions.

Classification after Prof. Dr. Sieber

  • rockeries
  • woodland borders (soil usually rich in humus)

Tolerance of special soil conditions

  • none: waterlogging


Campanula poscharskyana is considered a very valuable wild perennial. The recommended planting distance is 30 centimetres, the perennials are best planted in groups of 3 to 5. Suited for rockeries, roof greening, beds and borders, hanging baskets, balconies and terraces and for conservatories, as well as suited as a neighbour to roses, cemetery plant, groundcover, container plant and as bee pasture.

Maintenance and Propagation

The plants need little to no maintenance if grown under suitable conditions.

  • Remove flower heads after flowering.
  • For healthy growth apply a compound fertilizer every 2 to 3 weeks during growth.

Propagate by cuttings or by division.


Pests and Diseases

Honeydew, galls and distorted leaves are a sign for an infestation with aphids. Use an insecticide or control biologically , e.g. with parasitic wasps or predators such as Aphidoletes aphidimyza.

Fine webs on the plants indicate an infestation with red spider mites. These sap-sucking insects mainly appear under glass and can be controlled either with insecticide or biologically with parasitic mites.


  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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