How to grow Bellflower in the UK
Campanula
Bellflower (Campanula) is a flower that grows well in UK gardens. Trailing types are perfect for walls and containers. Pollinator favourite. This guide covers when and how to sow Bellflower, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
Type
Flowers
Difficulty
Easy — good for beginners
Position
partial sun (3–6 hrs)
Sow
spring
Harvest
—
When to sow & grow Bellflower
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr Plant | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Soil, position & care
- Soil
- Fertile, moisture-retentive but free-draining soil
- Soil pH
- 6.0–7.5
- Position
- Sun or part shade depending on species
- Sowing depth
- Plant at the same depth as the pot
- Spacing
- 30–60 cm apart
- Sowing
- Plant container-grown stock spring or autumn; divide established clumps in spring
- Growing
- Water well the first season until established; mulch in spring
- Harvest & upkeep
- Cut back faded foliage in late autumn or early spring; divide every 3–4 years
- Watch for
- Slugs and snails on new shoots; otherwise robust
Companion planting for Bellflower
No specific companion notes for this plant.
Grow Bellflower this year
Add Bellflower to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Bellflower FAQs
How much sun does Bellflower need?
Bellflower prefers partial sun (3–6 hrs).
Is Bellflower easy to grow?
Easy — good for beginners. Trailing types are perfect for walls and containers. Pollinator favourite.