• AGM plants

    AGM plants have been through a rigourous 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

Hardenbergia violacea

Vine lilac

AGM plants

AGM plants have been through a rigourous 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
Vine lilac

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  • Other common names Vine lilac
    Australian lilac

    Australian sarsparilla
    Coral pea
    False sarsparilla

    see more
  • Genus Hardenbergia are evergreen twining perennials with leaves usually composed of 3 ovate leaflets, and profuse racemes or panicles of small, pea-like flowers

  • Family Papilionaceae / Papilionaceae

  • Species H. violacea is an evergreen climber with twining stems to 2m and ovate leaves to 12cm in length. Purple, or occasionally pink or white, flowers to 10mm across are borne in pendent racemes from late winter

  • Plant range Australia

Characteristics

  • Foliage Evergreen

  • Habit Climbing

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H3

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Loam

  • pHAcid, Neutral

Size

  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    5-10 years

How to grow

Cultivation Can be grown outdoors in moist, fertile acidic soil. under glass or in containers grow in a mix of equal parts loam-based potting compost, sharp sand and leaf mould in full light with shade from hot sun. Provide medium to low humidity and when in growth water moderately whilst applying a balanced liquid fertiliser monthly. Keep just moist in winter and provide support

Propagation Propagate by seed at 20 �C in spring and soak for 24 hours to aid germination. Take softwood cuttings in spring

Suggested planting locations and garden types Low Maintenance Patio & Container Plants Mediterranean Climate Plants

How to care

Pruning Pruning group 11, after flowering.

Pests Glasshouse red spider mite and glasshouse whitefly may be a problem when grown under glass and slugs can also cause damage

Diseases Generally disease free

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