Serrated Bellflower
Campanula poscharskyana 'Stella'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
6 inches
Width
24 inches
Light
Full Sun, Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Europe and western Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Campanula poscharskyana 'Stella' is a low-growing perennial with trailing stems, featuring lush green foliage and star-shaped, violet-blue flowers that bloom profusely from summer to early autumn. This cultivar is valued for its vigorous ground-covering habit, resilience in shade, and its ability to produce abundant, vibrant flowers that brighten shaded garden borders and rockeries.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds or divisions into well-drained soil in early spring
- Water thoroughly after planting and keep soil moist
- Place in partial shade for best growth
- Mulch lightly to retain moisture and suppress weeds
- Fertilize with a balanced fertilizer every 6 weeks during active growth
- Prune lightly after flowering to maintain shape
Pro Tip
Prefers well-drained soil and partial shade for optimal growth
Keep It Thriving
Care Guide
Do
- Water regularly, especially during dry periods 🌱
- Mulch to conserve moisture and regulate soil temperature
- Prune lightly after blooming to encourage bushy growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t plant in full sun, as it prefers partial shade
- Refrain from fertilizing with high nitrogen fertilizers
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Serrated Bellflower questions
What zones can Serrated Bellflower grow in?
Serrated Bellflower is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Serrated Bellflower deer resistant?
Not reliably. Deer may browse Serrated Bellflower, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Serrated Bellflower bloom?
Serrated Bellflower typically blooms in summer to early autumn through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Serrated Bellflower need full sun?
Serrated Bellflower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Campanula to compare
Milky Bellflower
Campanula lactiflora 'Prichard's Variety'
Blue Waterfall Bellflower
Campanula poscharskyana 'Blue Waterfall'
Dalmatian bellflower
Campanula portenschlagiana
Clustered Bellflower
Campanula glomerata
Carpathian Bellflower
Campanula carpatica 'Mix'
Milky Bellflower
Campanula lactiflora 'Prichard'
Keep exploring
Explore the genus
Collections featuring this plant
Grow Serrated Bellflower with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
