Iberis sempervirens 'Snowflake'

RHS Plant Profile
candytuft 'Snowflake'

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Other common names

candytuft 'Schneeflocke'

Synonyms

Iberis sempervirens Snowflake, Iberis sempervirens Schneeflocke

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'Snowflake' is a compact evergreen sub-shrub to 25cm tall, with narrow, dark green leaves and short racemes of small white flowers in late spring and early 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
5–10 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
Alkaline or Neutral

Position

Full sun
Aspect
West–facing or East–facing or South–facing or North–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

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

How to Grow

Cultivation

Grows well in poor soils. Looks good in rock gardens or in walls. Can spread

Propagation

Propagate by seed and semi-hardwood cuttings

Suggested planting locations and garden types

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

Pruning

Trim lightly after flowering to maintain compactness

Pests

May be susceptible to slugs, snails and caterpillars

Diseases

Generally disease-free