Androsace villosa

RHS Plant Profile
shaggy rock jasmine

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shaggy rock jasmine RHS
shaggy rock jasmine RHS

Synonyms

Androsace olympica

Alpine Rockery
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A mat- or cushion-forming, evergreen perennial with rosettes of small leaves covered in long, silky hairs on the undersides. Tight clusters of three to seven white flowers, with yellow eyes that may redden with age, are produced on stems 2-3cm long in spring

Position

Full sun

Soil Types

Chalk, 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 Loam Sand
Moisture
Moist but 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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Primulaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Androsace can be annuals, biennials or evergreen perennials forming mats or compact cushions, with salver-shaped flowers which may be solitary or in umbels
Name Status
Correct
Plant Range
Europe Asia (Mts.)

How to Grow

Cultivation

Grow in gritty, well-drained soil in a wall crevice, rock garden, scree or trough

Propagation

Propagate by seed or root single rosettes as cuttings in early to mid-summer. Water cuttings from below to avoid wetting foliage

Suggested planting locations and garden types

  • Patio and container plants
  • Rock garden
  • Gravel garden

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May suffer from fungal problems under wet conditions