Saxifraga exarata (15)

RHS Plant Profile
furrowed saxifrage

Save a plant

Where do you want to save Saxifraga exarata (15)?

Plants I own
Wishlist
Go to My Plants
furrowed saxifrage visionspictures.com

Synonyms

Saxifraga exarata subsp. adenophora

Alpine Rockery

A variable species of evergreen perennial alpine, forming low cushions or mats of rosettes of small, often lobed green leaves, sometimes furrowed on the upper surfaces. Flowering stems to 12cm high bear white, cream, yellow or sometimes reddish flowers in late spring and early summer

Position

Partial shade

Soil Types

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

Position

Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
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
Saxifragaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Saxifraga can be annuals, biennials, evergreen or herbaceous perennials, mostly mat-forming in habit, with simple or palmately lobed leaves and starry or rounded flowers which may be solitary of in panicles or cymes
Name Status
Correct
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Saxifraga section saxifrages are mat-forming evergreen perennials with small, lobed leaves and 5-petalled white, pink, yellow or red flowers in small clusters on erect stems in late spring or early summer

How to Grow

Cultivation

Grow in moist but very well-drained soil, in bright filtered light or with shade from hot afternoon sun. Keep roots moist in summer but protect from excess winter wet. Ideal for a container or alpine house

Propagation

Propagate by seed, or by division, detaching individual rosettes and rooting as cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Conservatory and greenhouse
  • Garden edging

Pruning

No pruning required

Pests

May be susceptible to aphids, slugs, vine weevil, and glasshouse red spider mite

Diseases

Generally disease-free