Iberis Absolutely Amethyst ('Ib2401')

RHS Plant Profile
candytuft [Absolutely Amethyst]

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Synonyms

Iberis 'Ib2401'

Herbaceous Perennial Shrubs
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An evergreen, mound-forming, woody-based perennial or sub-shrub to around 30cm high, with narrow, glossy, dark green leaves. Dense, flattened flowerheads, rich lilac purple at the edges and paler in the centres, are produced from mid to late spring

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
pH
Neutral or Alkaline

Position

Full sun
Aspect
South–facing or West–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
Clump forming
Genus
Iberis can be annuals, evergreen perennials or sub-shrubs, with narrow leaves and racemes of white, pink or purple flowers
Name Status
Trade

How to Grow

Cultivation

Grow in moist but well-drained, neutral to alkaline soil in full sun. Will not tolerate waterlogging

Propagation

Propagate by softwood cuttings in late spring or semi-ripe cuttings in summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Gravel garden

Pruning

Trim lightly after flowering to maintain compact shape

Pests

May be susceptible to slugs, snails and sometimes caterpillars

Diseases

May be susceptible to club root