Heuchera 'Black Pearl'PBR (Primo Series)

RHS Plant Profile
alum root 'Black Pearl'
Herbaceous Perennial

A dense, clump-forming perennial with shiny, scalloped, jet black leaves with ruffled edges. White flowers in summertime have pink calyces and are borne on slender upright stems in panicles.

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Neutral

Position

Full sun Partial shade
Aspect
North–facing or South–facing or East–facing or West–facing
Exposure
Exposed or 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
Evergreen, 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

Best grown in fertile, moist but well-drained soil that is neutral, in full sun or partial shade. Can tolerate clay and drought. Apply a mulch in spring

Propagation

Propagate by division in autumn

Suggested planting locations and garden types

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

Pruning

Deadhead faded flower spikes. Remove dead or untidy foliage.

Pests

May be susceptible to vine weevil, leaf and bud eelworms

Diseases

May be susceptible to rust