× Heucherella 'Cracked Ice'PBR

RHS Plant Profile
heucherella 'Cracked Ice'

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A clump-forming, semi-evergreen perennial with deeply lobed, silver-flushed, purple leaves, darker at the veins and flushed pink to orange in spring and autumn. Slender stems bear open panicles of tiny, bell-shaped, white flowers from late spring into summer.

Position

Full sun, Partial shade

Soil Types

Clay, 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

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

Position

Full sun Partial shade
Aspect
West–facing or East–facing or South–facing
Exposure
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)
H6

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
× Heucherella are hybrids between Heuchera and Tiarella, and are evergreen, clump-forming perennials with ovate or rounded leaves and open panicles of small bell-shaped pink or white flowers over a long period
Name Status
Accepted

How to Grow

Cultivation

Plant in fertile, moist but well-drained, neutral to slightly acid soil in partial shade or sun.

Propagation

Propagate by division

Suggested planting locations and garden types

  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Garden edging
  • Banks and slopes
  • Underplanting of roses and shrubs

Pruning

Deadhead after flowering if required by removing flowering stalk.

Pests

May be susceptible to vine weevil, especially when grown in containers

Diseases

Generally disease-free.