Overview
Campanula fragilis is a bushy, mat-forming, dwarf perennials, herbaceous species herbaceous perennial in the genus Campanula, part of the Campanulaceae family, with deciduous foliage. Campanula fragilis grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5, H6, H7. Suggested uses include flower borders and beds, cottage and informal garden, wildlife gardens and ground cover.
About
Campanula fragilis, commonly known as brittle harebell, is a herbaceous perennial within the Campanula genus, which includes plants known for their bell or star-shaped flowers appearing in late spring or summer. This cultivar forms a bushy, mat-forming, dwarf perennial with deciduous foliage. It thrives in full sun or partial shade, preferring sheltered, south-, east-, or west-facing aspects. Suitable for a variety of soil types including chalk, clay, loam, and sand, it requires moist but well-drained conditions. Campanula fragilis is hardy in UK zones H5 to H7 and is ideal for flower borders, cottage gardens, wildlife gardens, and as ground cover.
Growing conditions
Best soil and position for Campanula
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H5, H6, H7
Plant details
Campanula fragilis size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy, Mat-forming, Dwarf perennials, Herbaceous species
- Foliage
- Deciduous
- Suggested uses
- Flower borders and beds, Cottage and informal garden, Wildlife gardens, Ground cover
Care notes
Pruning and caring for Campanula fragilis
- Propagation
- Seed, Division, Basal cuttings
- Pest resistance
- Slugs, Snails
- Disease resistance
- Powdery mildew, Rust, Leaf spot
Frequently asked questions
Where is the best place to plant Campanula fragilis?
Campanula fragilis prefers full sun and partial shade. It suits sheltered positions.
What soil does Campanula fragilis need?
Campanula fragilis is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Campanula fragilis hardy in the UK?
Campanula fragilis has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Campanula fragilis?
Seed, Division, Basal cuttings.
More in the Campanula genus
- Campanulabellflower

- Campanula alpestris
- Campanula biebersteiniana

- Campanula campanulata
- Campanula cantabrica

- Campanula carpatica 'Riverslea'

- Campanula cochlearifolia 'Blue Wonder'

- Campanula divaricatasouthern harebell
