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Campanula glomerata Superba

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Clustered Bellflower

Clusters of unusual tulip shaped flowers

A vigorous plant that will give a colourful lift to the border in mid summer when the tall stems of rich purple bellflowers rise above the rosettes of mid-green leaves. Great as a cut flower.

Where?

Perfect for a sunny or lightly shaded bed or cottage garden-style border.

How?

Easy to grow in a well-drained soil. Add some coarse grit to the planting hole if your soil is heavy and likely to stay wet in winter.

Native to temperate zones of Europe and Asia, including Japan, it is also the county flower of Rutland, England.

Plant details


In depth plant information

Property Value
Plant type Perennial herbaceous
Flower colour
Foliage colour
Typically available May - September
Season of interest Summer
Flowering June - August
Evergreen No
Plant height 10 cm - 50 cm
Plant width 50 cm - 100 cm
Fragrant flowers No
Attracts bees Yes
Attracts butterflies Yes
Plant height in 5 years 30 cm
Hardiness zone (?) H4

Will perform best in these conditions

Property Value
Soil type Chalk, Clay, Loam, Sand
Light exposure Full sun, Part shade
Soil drainage Well drained
Planting instructions

Water the plant in its pot thoroughly before planting – give it a good soaking. Prepare the area by digging a hole twice the size of the pot. Dig compost into the base of the hole. Remove the pot and position the plant in the hole, with the top of the rootball about level with the surrounding soil. Refill the planting hole with a mixture of garden soil and compost, firming as you go. Water in well and keep well watered during the plant's first year.

Planting site Wildlife garden, Cottage garden, Informal garden, Flower border and beds

Typically available

From May to September