Cichorium intybus 'Electric Blue'

RHS Plant Profile
chicory 'Electric Blue'

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Herbaceous Perennial

A perennial forming a rosette of basal leaves and an erect, branching, slender stem to 1.2m tall that bears bright blue flowers in summer; flowers often close up after midday

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
1-1.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Cichorium can be annual or perennial plants with loosely branched stems bearing toothed or pinnately lobed leaves and dandelion-like, usually blue flowers which close by early afternoon, in summer
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, well-drained soil in full sun. See chicory cultivation for further advice

Propagation

Propagate by seed. See sowing vegetable seeds or sowing seeds indoors for further advice

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Mediterranean climate plants
  • Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to aphids, slugs and snails

Diseases

May be susceptible to Powdery mildews and rusts