Campanula glomerata var. acaulis is a compact, clump-forming perennial grown for its clusters of rich purple, bell-shaped flowers that appear throughout summer. Flowering from June to August, this low-growing variety brings vibrant colour to borders, rockeries, containers and cottage garden planting schemes.
Recognised by the RHS Plants for Pollinators scheme, this attractive bellflower provides a valuable source of nectar for bees and other beneficial insects. Its spreading habit also makes it an excellent ground cover plant, helping to fill gaps and suppress weeds in sunny or partially shaded areas.
Easy to grow and fully hardy, Campanula glomerata var. acaulis is a reliable choice for gardeners looking to combine colour with wildlife value.
Key Features
- Plant Type: Herbaceous perennial
- Flowering Period: June to August
- Flower Colour: Purple
- Foliage: Deciduous
- Height and Spread: 50cm x 100cm
- Hardiness: Fully hardy
- RHS Plants for Pollinators: Yes
Where to Grow Campanula glomerata var. acaulis
- Ideal for beds and borders
- Excellent for rock gardens and gravel gardens
- Suitable for containers and patio pots
- Works well as ground cover
- Thrives in cottage and urban gardens
Its compact growth and spreading habit make it particularly useful for softening border edges and filling spaces between larger perennials.
Benefits for UK Wildlife
- Recognised by the RHS Plants for Pollinators scheme
- Provides nectar for bees and other pollinating insects
- Supports pollinators throughout summer
- Helps create a wildlife-friendly garden
The nectar-rich flowers are especially attractive to bees, making this a valuable addition to pollinator-friendly planting schemes.
Planting Tips
- Plant in full sun or partial shade
- Grow in moist but well-drained soil
- Suitable for alkaline, neutral and chalky soils
- Water during prolonged dry periods while establishing
- Deadhead faded flowers to encourage a tidy appearance
Divide established clumps every few years to maintain vigour and control spread.
Why Choose Campanula glomerata var. acaulis?
- Masses of rich purple flowers
- Excellent pollinator plant
- Useful ground cover habit
- Easy to grow and maintain
- Suitable for borders, pots and rockeries
- Long-lasting summer display
Pair it with lavender, echinacea and other pollinator-friendly perennials to create a colourful display that supports wildlife throughout the season.
Other Names: Clustered bellflower, dwarf clustered bellflower
Fully Grown Size: Height 50cm, Spread 100cm
Light: Full sun or partial shade
Soil: Moist, well-drained soil. Suitable for alkaline, neutral, chalky and sandy soils.
Position: Borders, rockeries, containers, exposed and sheltered sites
Special Features: Attracts wildlife, easy care, ground cover, RHS Plants for Pollinators
Ideal For: Beds and borders, cottage gardens, urban gardens, pots and rockeries
Hardiness: Fully hardy in the UK