Campanula 'Superba'
bellflower
Orders placed until 29 February 2027
You can expect your order in February/March 2027
Orders placed 1 March - 15 April 2027
You can expect your order in March/April 2027
Orders placed 16 April - 15 May 2027
You can expect your order within 10 business days
Free delivery
on orders over £50
Standard delivery £3.99
on orders under £50
All orders are responsibly packed and delivered carbon neutral — Learn more
Delivery to Northern Ireland
Standard delivery £6.99
on orders under £50
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Description
Few colours suggest rich and luxurious more than purple, and if you grow Campanula 'Superba', your garden will be given the feel of real opulence and luxury. Dense flower heads of large, bell-shaped, rich purple-blue flowers appear from May to September on tall stems that rise above rosettes of fresh, green, heart-shaped leaves. This beautiful campanula—one of the stunning clustered bellflowers—is perfect for a border in full sun or partial shade. A cottage garden favourite, it looks just at home, however, in modern or contemporary planting schemes. For best results, plant your Campanula 'Superba' bare roots in moist but well-drained fertile soil.
With such a long flowering period, and the spreading habit and foliage enabling the plant to offer weed-suppressing ground cover throughout summer, Campanula glomerata 'Superba' is hard to beat. In fact, with its reliability, consistency of colour, and good resistance to pests and diseases, this campanula is considered such a good plant, the Royal Horticultural Society (RHS) have awarded it a coveted Award of Garden Merit.
Perfect companions
Key features
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Comes back every year
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Attractive to wildlife
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Loved by pollinators
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In peat-free compost
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Low maintenance
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RHS Award (AGM)
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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Campanula glomerata 'Superba'
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Flower colour
Purple
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Plant size
1
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Established height
30-50cm
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Established spread
20-30cm
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Plant spacing
9 plants per m2
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Leaf colour
Green
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Habit
Upright
Clump-forming -
Life cycle
Perennial
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Hardiness
Fully hardy
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Years to establish
1-2 years
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Sunlight
Full sun
Partial shade -
Position
Sheltered
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Suitable for
Large containers
Borders
Meadows
Wildlife gardens
Cottage gardens
Low maintenance gardens -
Soil acidity
Any
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Soil moisture
Free draining
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Soil type
Loam
Loam-based compost
Multipurpose compost -
RHS Award (AGM)
Yes
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Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
Yes
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Mouse resistant
Yes
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Rabbit resistant
No
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Deer resistant
No
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Toxicity
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Campanula 'Superba' roots in water for 3-6 hours prior to planting
Plant your bellflower bare roots into temporary pots with a multipurpose compost within a week of delivery and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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Orders placed until 29 February 2027
You can expect your order in February/March 2027Orders placed 1 March - 15 April 2027
You can expect your order in March/April 2027Orders placed 16 April - 15 May 2027
You can expect your order within 10 business days
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