Iberis violacea

RHS Plant Profile
violet-flowered candytuft

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violet-flowered candytuft RHS
violet-flowered candytuft RHS

Synonyms

Iberis jordanii
Iberis pruitii

Herbaceous Perennial
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A mat-forming, evergreen perennial, to 15cm high, with prostrate or ascending stems and fleshy, narrowly-oval to lance-shaped leaves. White to lilac flowers are borne in flat clusters from spring into summer

Position

Full sun

Soil Types

Chalk, 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

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or 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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Brassicaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Iberis can be annuals, evergreen perennials or sub-shrubs, with narrow leaves and racemes of white, pink or purple flowers
Name Status
Correct

How to Grow

Cultivation

Grows best in a well-drained soil in full sun; does well in poor soils

Propagation

Propagate by seed and semi-hardwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Rock garden
  • Cottage and informal garden
  • Gravel garden
  • Low Maintenance
  • Flower borders and beds

Pruning

Trim lightly after flowering to maintain compactness

Pests

Generally pest-free

Diseases

Generally disease-free