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Herbaceous Perennial

Campanula takesimana

Korean bellflower

A vigorously-spreading perennial, forming clumps to 75cm high and wide. Branched stems bear heart-shaped, glossy leaves, up to 8cm long, and in summer, bell-shaped, drooping flowers are borne on arching stems. The flowers are a creamy-white colour flushed with pink and have fine dark red speckles on the inner petal surfaces

Synonyms

Campanula punctata var. takesimana

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–facing or East–facing or West–facing

Exposure

Exposed or 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: Bushy
Genus: Campanula may be annuals, herbaceous or evergreen perennials, with bell or star-shaped, often blue, flowers in late spring or summer
Name status: Correct
Plant range: Korea

How to grow

Cultivation

Prefers a well-drained alkaline to neutral soil in full 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
Banks and slopes
Cut flowers
Flower borders and beds

Pruning

Cut back after flowering

Pests

May be damaged by slugs and snails

Diseases

May be infected by a rust, powdery mildews and a leaf spot

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