• 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

Gazania 'Michael'

treasure flower 'Michael'

treasure flower 'Michael'

© RHS 1996

  • Other common names treasure flower 'Michael'

  • Family Asteraceae

  • Genus Gazania can be annuals or evergreen perennials, of spreading habit, with lobed lance-shaped leaves and showy daisy-like flowers which close in dull weather

  • Details 'Michael' is a tender spreading perennial to 25cm in height, with narrow foliage silvery beneath, and bright yellow flowers with a red-brown and olive-green zone at the base of the rays


  • Foliage Evergreen

  • Habit Mat forming

  • 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 East-facing

  • Exposure Sheltered


  • Chalk


  • Chalk


  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Sand

  • pHAcid, Neutral, Alkaline


  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Grow in moderately fertile, well-drained soil in full sun. Flowers close when shaded. Deadhead regularly to prolong flowering. Will survive winter outdoors in mild areas. Water in prolonged dry spells

Propagation Propagate by softwood cuttings taken from the base of shoots in late summer and kept in frost free conditions over winter

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

How to care

Pruning Deadhead regularly

Pests Generally pest free except for aphids when overwintered indoors

Diseases Generally disease free except for glasshouse grey mould when overwintered indoors

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