Celmisia allanii

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<em>Celmisia</em> <em>allanii</em> RHS
Alpine Rockery
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A mat-forming, evergreen perennial with soft, furry, grey leaves and masses of white, daisy flowers on upright, 15cm stems in summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Acid

Position

Full sun Partial shade
Aspect
North–facing or 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
Evergreen
Habit
Matforming
Genus
Celmisia are evergreen mat- or rosette-forming perennials and sub-shrubs. They often have silky, silvery foliage and bear daisy-like flowers which are usually white with yellow centres
Name Status
Correct
Plant Range
New Zealand (South Island)

How to Grow

Cultivation

Thrives in cool, moist climates, disliking dryness and hot summer sun. Grow in humus-rich, slightly acid soil in sun or part shade

Propagation

Propagate by seed sown in containers in an open frame as soon as ripe, or divide in spring, or root cuttings in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free