Dalmatian bellflower and Serbian bellflower are often considered for the same spot in the garden (ground cover, flowers, pollinator friendly, container). The data below shows where they differ: size, hardiness, care, toxicity and price.
Campanula portenschlagiana 15 cm × 50 cm after 10 years
A low bellflower that forms a tight cushion; from late spring to midsummer its small, ivy-like leaves almost disappear under violet-blue bells. It…
Campanula poscharskyana 15 cm × 60 cm after 10 years
A vigorous bellflower with trailing stems that are smothered in star-shaped lavender-blue flowers from late spring into summer, often blooming again…
Serbian bellflower grows larger: 15 cm × 60 cm after ten years, against 15 cm × 50 cm for Dalmatian bellflower.
Serbian bellflower is hardier: down to -40 °C, against -34 °C for Dalmatian bellflower.
Serbian bellflower is cheaper: about €5 at the size usually planted, against about €6.80 for Dalmatian bellflower.
|
Feature
|
Dalmatian bellflower
|
Serbian bellflower
|
|---|---|---|
| Group | Ground cover | Ground cover |
| Size after 10 years | 15 cm × 50 cm | 15 cm × 60 cm |
| Ultimate size | 8–20 cm × 30–60 cm | 10–30 cm × 30–60 cm |
| Growth rate | Medium | Fast |
| Light | Full sun, Part shade | Full sun, Part shade |
| Soil | Average garden soil, Sandy, Calcareous | Average garden soil, Clay, Sandy, Calcareous |
| Hardiness | down to -34 °C (USDA 4, RHS H7) | down to -40 °C (USDA 3, RHS H7) |
| Foliage | Semi-evergreen | Semi-evergreen |
| Flowering | May–August, purple, blue | May–September, purple, blue, white |
| Water need | Medium | Medium |
| Drought tolerance | Medium | Medium |
| Maintenance | Low | Low |
| Planting distance | 30 cm | 30 cm |
| For dogs | Non-toxic (uncertain) | Non-toxic (uncertain) |
| For cats | Non-toxic (uncertain) | Non-toxic (uncertain) |
| For children | Non-toxic (uncertain) | Non-toxic (uncertain) |
| Typical price | approx. €6.80 | approx. €5 |
Prices are rounded, indicative values. Toxicity data is for information only. If your pet or child has eaten a plant, contact a vet or a doctor. Data updated: October 13, 2026
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