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Herbaceous Perennial

Heuchera 'Walnut' (Fox Series)
  • RHS AGM

alum root 'Walnut'

A neat mound forming perennial with large shiny brown leaves going orange in colour. Tall panicles of white-pink flowers

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Brown Green Orange
Summer Cream Pink Brown Green Orange Bronze
Autumn Brown Green Orange Bronze
Winter Brown Green Orange Bronze
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
Evergreen
Habit
Bushy
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. Tidy up old foliage in spring

Propagation

Propagate by division in autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

If old plants becomes leggy and woody, cut back stem to a lower leaf bud in spring

Pests

May be susceptible to leaf and bud eelworms and vine weevil

Diseases

May be affected by Heuchera rust

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