• 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

Santolina chamaecyparissus 'Small-ness'

cotton lavender 'Small-Ness'

cotton lavender 'Small-Ness'

© RHS

  • Other common names cotton lavender 'Small-Ness'

  • Family Asteraceae

  • Genus Santolina are aromatic, dwarf evergreen shrubs with entire or pinnately dissected leaves and dense, button-like flower-heads in summer

  • Details 'Small-Ness' is a dwarf evergreen shrub to 20cm tall, with narrow, finely divided, grey-green leaves and button-like, bright yellow flower heads 1cm across in summer

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Fragrance Leaf

  • 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)

    H5

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • Chalk

    Chalk

  • Sand

    Sand

  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Chalk, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Easy to grow evergreen sub-shrub that thrives in hot, sunny, well-drained sites. Useful as a dwarf-hedging substitute although they can be short-lived

Propagation Propagate by seed sown in the open ground or containers in the autumn or by semi-hardwood cuttings in late-summer

Suggested planting locations and garden types Garden Edging Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden Gravel Garden Rock Garden Patio & Container Plants

How to care

Pruning Pruning group 10. Trim back after flowering to maintain a dense, compact shrub

Pests Generally pest free

Diseases Generally disease free

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