About

Campanula 'Perla Blue' is a compact perennial that creates tidy mounds of lance-shaped, serrated green leaves. During the summer, it produces an abundance of blue, bell-shaped flowers that face outward on short stems, rising slightly above the foliage for an extended blooming period.

About the genus

Campanula encompasses a range of plants that can be annuals, herbaceous perennials, or evergreen perennials. These species produce bell or star-shaped flowers, frequently in shades of blue, during the late spring or summer months.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
East-facing, North-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Cottage and informal garden, Patio and container plants, Wildlife gardens

Care notes

Cultivation
Will grow well in well-drained soil preferably in full sun to partial shade. Avoid wet winter conditions, adding a mineral mulch to the soil surface can be beneficial.
Pruning
Cut back after flowering to promote extended blooms
Propagation
Propagate by division in spring or autumn and by basal cuttings in spring
Pest resistance
May be susceptible to slugs and snails
Disease resistance
May be susceptible to a rust, powdery mildews and leaf spot