Heuchera 'Guacamole'

RHS Plant Profile
alum root 'Guacamole'
alum root 'Guacamole' RHS / Joanna Kossak
Award of Garden Merit
Herbaceous Perennial

A clump-forming variety with striking bright green leaves and creamy-white flowers which appear on upright stems during the spring and summer

Position

Full shade, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full shade Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness
H6
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Saxifragaceae
Native to GB/Ireland
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 fertile, humus-rich, moist but well-drained soil, in partial or full shade, and mulch every year; the rootstock tends to push upwards, so every few years, in late summer or early autumn, divide and re-plant with only the crown above ground

Propagation

Propagate by division in late summer or early autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds
  • Underplanting of roses and shrubs
  • Ground cover
  • Banks and slopes

Pruning

No pruning required, but old leaves and flower stems may be removed to improve appearance

Pests

May be susceptible to vine weevils and leaf and bud eelworm

Diseases

May be susceptible to heuchera rust