Campanula latiloba 'Alba'

RHS Plant Profile

great bellflower 'Alba'

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Other common names

white great bellflower

Synonyms

Campanula persicifolia subsp. sessiliflora 'Alba'
Campanula latiloba var. alba

Herbaceous Perennial

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A perennial with bright green rosettes of oval leaves, and stiff stems set with narrowly lance-shaped leaves and terminating in a long spike of cup-shaped white flowers, 2-3 in each upper leaf axil

Position

Full sun, Partial shade

Soil Types

Chalk, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam

Moisture: Moist but well–drained
pH: Alkaline or Neutral

Position

Full sun Partial shade

Aspect: West–facing or East–facing or South–facing or North–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Campanulaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Campanula may be annuals, herbaceous or evergreen perennials, with bell or star-shaped, often blue, flowers in late spring or summer
Name Status: Accepted

How to Grow

Cultivation

Best grown in fertile, neutral to alkaline soil that is moist but well-drained; in partial shade or sun. Needs staking in exposed sites.

Propagation

Propagate by division in spring or autumn or take basal cuttings in spring

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Coastal
Gravel garden
Wildflower meadow
Cut flowers
Flower borders and beds

Pruning

Cut back after flowering to prevent self-seeding and to encourage a second flush of flowers

Pests

May be damaged by slugs and snails

Diseases

May be susceptible to a rust, powdery mildews and a leaf spot