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Annual BiennialHerbaceous Perennial

Campanula patula

spreading bellflower

C. patula is an erect, herbaceous perennial or biennial to around 80cm tall forming a basal rosette of rough, obovate leaves. Wiry, branchedstems with alternate,narrow leaves bear small clusters of starry, violet-blue flowers with widely-spreading petals

Other common names

spreading bellflower

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Ultimate height

0.5–1 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained, 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 West–facing or East–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 the UK: Yes
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: Europe, W Siberia

How to grow

Cultivation

Grows best in sun or partial shade in a moist, well drained soil

Propagation

Propagate by seed

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Wildflower meadow
Low Maintenance
Banks and slopes
Flower borders and beds

Pruning

None required

Pests

May be damaged by slugs and snails

Diseases

May be infected by a rust

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