Echinacea purpurea 'White Double Delight' (Cone-fections Series) (d)

RHS Plant Profile
purple coneflower 'White Double Delight'

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Herbaceous Perennial

Compact, upright, perennial coneflower about 60cm tall, producing very double, white blooms with narrow, toothed, drooping ray petals surrounding a prominent pompom of creamy-white disc petals with a central greenish-yellow cone, flowering from summer to autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun
Aspect
East–facing or 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
Clump forming
Genus
Echinacea are erect, clump-forming rhizomatous perennials with simple or pinnately lobed leaves and solitary, long-stalked daisies with prominent conical central disks and often drooping ray florets; attractive to butterflies
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, humus rich, well drained soil in full sun. Take care when propagating by divison or root cuttings as they resent a lot of disturbance

Propagation

Propagate by division in Spring or Autumn or by root cuttings from late Autumn to early Winter

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • City and courtyard gardens
  • Cut flowers
  • Flower borders and beds
  • Bedding

Pruning

Deadhead to extend flowering

Pests

Generally pest-free

Diseases

Generally disease-free