Achillea × lewisii 'King Edward'

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yarrow 'King Edward'

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yarrow 'King Edward' RHS 2002

Synonyms

Achillea 'King Edward'

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Alpine Rockery Herbaceous Perennial
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A compact, spreading perennial to 10cm in height, with narrow, silvery-grey leaves which often persist through the winter. Compact heads of small, buff-yellow flowers in early summer, fading to cream with age

Position

Full sun

Soil Types

Chalk, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Chalk Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Matforming
Genus
Achillea can be mat-forming or upright perennials, mostly herbaceous, with sometimes aromatic, pinnately divided or simple and toothed leaves and flattened clusters of small, daisy-like flower-heads
Name Status
Accepted

How to Grow

Cultivation

Grows best in moist but well-drained soil although will tolerate a wide range of conditions. Deadhead after flowering

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Wildlife gardens
  • City and courtyard gardens
  • Patio and container plants
  • Prairie planting
  • Cut flowers

Pruning

Cut back untidy foliage in spring

Pests

May be susceptible to aphids

Diseases

May be susceptible to powdery mildews