• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Rosa spinosissima

Scotch rose

  • Other common names Scotch rose

  • Synonyms Rosa pimpinellifolia
    Rosa poteriifolia

    Rosa
    Rosa altaica

    see more
  • Family Rosaceae

  • Genus Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing compound pinnate leaves and solitary or clustered flowers. Flowers may be followed by showy red or purple fruits in some varieties.

  • Details R. spinosissima is a small, freely suckering shrub with prickly stems bearing neat, fern-like foliage, and cupped, single creamy-white flowers in early summer, followed by spherical black hips

  • Plant range Europe, Asia

Characteristics

  • Foliage Deciduous

  • Habit Suckering

  • Fragrance Flower

  • 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

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect East-facing or South-facing or North-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Clay

    Clay

  • Chalk

    Chalk

  • Sand

    Sand

  • Loam

    Loam

  • MoistureMoist but well-drained, Well-drained

  • SoilClay, Chalk, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation 'Scottish Briar' grow in full sun with fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring. Tolerant of poor sandy soils, suitable for low hedging

Propagation Propagate by hardwood cuttings in autumn or propagate by seed

Suggested planting locations and garden types Hedging & Screens Flower borders and beds Coastal Cottage & Informal Garden Wildlife Gardens

How to care

Pruning pruning group 22 (roses)

Pests Aphids, leafhoppers, glasshouse red spider mite, scale insects, caterpillars and rose leaf-rolling sawfly may be a problem. Rabbits and deer can cause damage

Diseases May be subject to black spot, rose rust, powdery mildews and a downy mildew

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.