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Herbaceous Perennial

Campanula persicifolia 'Powder Puff' (d)

bellflower 'Powder Puff'

An upright, deciduous herbaceous perennial. Flowering stems to 60cm in height arise from basal rosettes of foliage and bear bell-shaped, double flowers in a creamy-white along the upper part of the stems in early summer

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or East–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)

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.

Propagation

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

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Cut flowers
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Cut back after flowering to encourage a second flush of flowers

Pests

May be susceptible to slugs and snails

Diseases

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

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