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Herbaceous Perennial

Heuchera 'Can-can'

alum root 'Can-can'

A compact perennial forming a clump of ruffled reddish-purple leaves, marbled with grey, and bright purple beneath, and with small pale green flowers in summer

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained
pH
Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Grey Silver Purple Red
Summer Green Grey Silver Purple Red
Autumn Grey Silver Purple Red
Winter Grey Silver Purple Red
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H6
Botanical details
Family
Saxifragaceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Clump forming
Genus

Heuchera are more or less evergreen, clump-forming perennials with attractive, rounded, shallowly palmately lobed leaves and racemes or panicles of small, tubular flowers, often with colourful calyces

Name status

Accepted

How to grow

Cultivation

Grow in a fertile, moist but well-drained, neutral soil in sun or partial shade. The woody rootstock tends to lift out of the ground so mulch annually or lift and replant

Propagation

Propagate by division in autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
  • Underplanting of roses and shrubs
  • Banks and slopes
  • Ground cover
Pruning

Remove faded flower spikes

Pests

May be susceptible to vine weevil and leaf and bud eelworm

Diseases

May be affected by heuchera rust

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