• 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

Helichrysum petiolare

liquorice plant

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
  • Other common names liquorice plant

  • Synonyms Helichrysum 'Petiolatum Silver'
    Helichrysum petiolatum

    Helichrysum petiolatum

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  • Family Asteraceae

  • Genus Helichrysum can be annuals, herbaceous or evergreen perennials or shrubs, usually with grey-hairy foliage and papery everlasting flower-heads

  • Details H. petiolare is a trailing sub-shrub to 45cm in height, with white stems bearing broadly ovate, grey-hairy, evergreen leaves, and small dull white flowerheads on erect stems in late summer and autumn

  • Plant range South Africa

Characteristics

  • Foliage Evergreen

  • Habit Trailing

  • 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)

    H3

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Loam

    Loam

  • Clay

    Clay

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Loam, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Grow in moderately fertile, well-drained soil in full sun. Water in prolonged dry spells

Propagation Take softwood cuttings from the ends of non-flowering shoots in late summer or softwood cuttings in spring

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

How to care

Pruning Trim as required

Pests Generally pest free

Diseases Generally disease free

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