Cerastium tomentosum

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Other common names

dusty miller, Jerusalem star, snow plant, wooly mouse-ear chickweed

Herbaceous Perennial Bedding
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A vigorous mat-forming perennial to 15cm in height, with narrow, white-hairy leaves and star-shaped white flowers 2cm across, with notched petals, in late spring and summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1-1.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay 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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caryophyllaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
Cerastium can be annuals or mat-forming perennials, with simple leaves and star-shaped 5-petalled white flowers
Name Status
Correct
Plant Range
Europe & W As. (mts)

How to Grow

Cultivation

Ideal plant for carpeting dry, sunny banks or gravel gardens

Propagation

Propagate by seed, division or stem tip cuttings

Suggested planting locations and garden types

  • Gravel garden
  • Flower borders and beds
  • Ground cover
  • Banks and slopes

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free