• 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

Zenobia pulverulenta

dusty zenobia

  • Other common names dusty zenobia

  • Synonyms Andromeda speciosa
    Andromeda cassinifolia

  • Family Ericaceae

  • Genus Zenobia are small or medium-sized deciduous or semi-evergreen shrubs with simple leaves and umbels of white, broadly bell-shaped flowers in early summer

  • Details a compact deciduous shrub to 1.5m tall, with oblong, blue-green leaves and small, fragrant, bell-shaped white flowers in upright racemes to 20cm long

  • Plant range E USA


  • Foliage Deciduous

  • Habit Bushy

  • 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)




  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered


  • Sand


  • MoistureMoist but well-drained

  • SoilSand

  • pHAcid


  • Ultimate height 1-1.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in a sheltered site in acidic, humus-rich, moist soils in sun or partial shade. If you the soil dries out in summer, plant in shade

Propagation Propagate by seed in outdoors in late winter. Can also be propagated by semi-ripe cuttings in summer

Suggested planting locations and garden types Flower borders and beds Cottage & Informal Garden

How to care

Pruning Pruning group 2 or pruning group 5 in midsummer

Pests Generally trouble free

Diseases Generally trouble free

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.