Heuchera Key Lime Pie ('Tnheu042') (Dolce Series)

RHS Plant Profile
alum root [Key Lime Pie]

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Synonyms

Heuchera 'Tnheu042'
Heuchera 'Dolce Key Lime Pie'

Herbaceous Perennial
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A mound-forming, semi-evergreen to evergreen herbaceous perennial with lime-green to mid-green, mottled foliage. Tall, arching stems of tiny, bell-shaped, white flowers appear from spring until 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
1–2 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

Position

Full sun Partial shade
Aspect
East–facing or West–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
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
Trade

How to Grow

Cultivation

Grow in a fertile, moist but well-drained, neutral soil in sun or partial shade. Mulch annually

Propagation

Propagate by division in autumn

Suggested planting locations and garden types

  • Patio and container plants
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Garden edging
  • Ground cover
  • Underplanting of roses and shrubs
  • Banks and slopes

Pruning

Remove faded flower spikes and faded leaves as required

Pests

May be susceptible to vine weevils and leaf and bud eelworm

Diseases

May be susceptible to heuchera rust