• 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

Halimium lasianthum

woolly rock rose

woolly rock rose

© RHS 1999

  • Other common names woolly rock rose

  • Synonyms Cistus lasianthus

  • Family Cistaceae

  • Genus Halimium are small evergreen shrubs with simple, entire leaves and 5-petalled, saucer-shaped yellow or white flowers in late spring and early summer

  • Details H. lasianthum is a bushy small evergreen shrub of low, spreading habit. Leaves greyish, oval. Flowers 4cm in width, bright yellow, each petal blotched maroon near the base, borne in clusters from late spring

  • Plant range SW Europe N Africa


  • Foliage Evergreen

  • Habit Bushy

  • 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)




  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height 0.5-1 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in well-drained sandy soil in full sun

Propagation Propagate by semi-hardwood cuttings

Suggested planting locations and garden types Cottage & Informal Garden Gravel Garden Mediterranean Climate Plants

How to care

Pruning Pruning group 9

Pests Generally pest free

Diseases Generally disease free

Advertise here

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