Raoulia hookeri

RHS Plant Profile
scabweed

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Synonyms

Raoulia australis misapplied

Alpine Rockery
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A mat-forming perennial with rooting stems densely clothed in tiny silver-grey leaves. Silky-hairy, pale green or straw-coloured flowers to 7mm across are produced in summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, 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 Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
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)
H4

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
A genus of compact, mat-forming perennial flowering alpines, native to New Zealand, with silvery-grey, moss-like foliage and small, white to yellow flowers in spring
Name Status
Correct
Plant Range
New Zealand

How to Grow

Cultivation

Grow in gritty, humus-rich, moist but sharply drained soil in full sun, or in partial shade in warm, dry areas. Protect from excessive winter wet. May also be grown in an alpine house or cool greenhouse

Propagation

Propagate by division

Suggested planting locations and garden types

  • Patio and container plants
  • Rock garden
  • Low Maintenance
  • Conservatory and greenhouse
  • Ground cover

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free