Arabis alpina subsp. caucasica 'Schneehaube'

RHS Plant Profile
mountain rock cress 'Schneehaube'

Save a plant

Where do you want to save Arabis alpina subsp. caucasica 'Schneehaube'?

Plants I own
Wishlist
Go to My Plants
mountain rock cress 'Schneehaube' RHS / Janet Cubey
mountain rock cress 'Schneehaube' RHS / Janet Cubey

Synonyms

Arabis alpina 'Snowcap'
Arabis alpina subsp. caucasica Snowcap
Arabis Snow Cap

Award of Garden MeritPlants for pollinators
Alpine Rockery
Buy this from Plant Nurseries
7 Suppliers

A mat-forming, evergreen perennial, to 20cm tall, with loose rosettes of toothed, grey-green, oval leaves and, in spring, masses of fragrant, white flowers See Aubrieta, Arabis and Aurinia trial 2024-2026 for further information: https://www.rhs.org.uk/plants/trials-awards/ongoing-plant-trials/aubretia-arabis-aurinia

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 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
West–facing or East–facing or South–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)
H6

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Brassicaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Arabis can be annuals or evergreen perennials, usually mat-forming, with simple leaves and racemes of 4-petalled white, pink or purple flowers.
Name Status
Accepted

How to Grow

Cultivation

Will tolerate hot, dry conditions and poor, infertile soils. Good as ground cover

Propagation

Propagate by softwood cuttings in summer, or by division

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Low Maintenance
  • Banks and slopes

Pruning

No pruning required

Pests

May be susceptible to aphids, arabis midge and flea beetles

Diseases

May be susceptible to downy mildew, white blister and virus diseases