Unpack bare roots or rhizomes on arrival and plant them within a week. Until then, keep them somewhere cool and ensure the roots remain slightly moist, never wet.
Out of season
Campanula
'Caroline'
bellflower
Campanula 'Caroline' is an exciting, and relatively new variety. Its common name is clustered bellflower, which is exactly what it is – a slowly-spreading perennial, with upright, dense, clustered heads of tiny, lilac, bell-shaped flowers. The colouring fades in time to pink, then white. These flowers are set in perfect contrast to the fresh, almost olive-green leaves. Campanula glomerata 'Caroline' is the perfect plant for growing as ground cover in a sunny or partly shaded border. Like all forms of campanula, its blooms are nectar- and pollen-rich, so are loved by bees, butterflies/moths and other pollinators!
It’s a slow-grower, best planted and then left to slowly spread. It likes a moist but well-drained soil. Divide congested clumps in spring or autumn. In fact, this hardy perennial campanula is so highly regarded by experts, that the Royal Horticultural Society has given it the coveted RHS Award of Garden Merit.
Quantity
Plant profile
Plant calendar
Remove the packaging straight away, check the compost and water thoroughly if dry. Check the plant’s hardiness before placing it outdoors. Plant into a border or permanent container within a month, choosing the position recommended for the variety. Keep the top of the root ball level with the surrounding soil, firm gently and water well.
Soak the roots in water for three to six hours immediately before planting. Keep any crown, buds or emerging shoots above the water where possible.
Pot most bare roots into 15–20cm pots filled with peat-free multipurpose compost. Large or depth-sensitive roots, including peonies, are often best planted directly into borders.
Arrange the roots naturally without bending them. Cover the roots completely, positioning the crown and buds at the depth recommended for that particular perennial.
Keep pots in a sheltered outdoor position and water whenever the compost begins to dry. Grow on until roots hold the compost together when lifted from the pot.
Plant into a suitable border or permanent container once well rooted. Add a label and water regularly throughout the first growing season while the perennial establishes.
- Botanical name
- Campanula glomerata 'Caroline'
- Flower colour
- Purple
- Bulb size
- 1
- Established height
- 30-50cm
- Established spread
- 50-70cm
- Growing skill
- Easy to grow
- Habit
-
Spreading
Upright - Hardiness
- Fully hardy
- Leaf colour
- Green
- Mouse resistant
- Yes
- Pollinator friendly
- Yes
- Position
-
Sheltered
Exposed - Rabbit resistant
- Yes
- RHS Award (AGM)
- Yes
- Scented
- No
- Soil acidity
-
Any
Alkaline - Soil moisture
- Free draining
- Soil type
-
Loam
Clay
Sandy
Stony
Multipurpose compost - Suitable for
-
Ground cover
Meadows
Wildlife gardens
Woodland gardens
Cottage gardens
Low maintenance gardens - Sunlight
-
Full sun
Partial shade - Toxicity
- No report
- Years to establish
- 2-3 years
Pollinator-friendly
Thrives in full sun
RHS Recommended
Perennial
Fully hardy
Packed peat-free
Naturalising
Low maintenance
Attracts wildlife
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