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Hardenbergia violacea AGM

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Characteristics

Plant type

Climber/Wall Shrub or Conservatory/Greenhouse

Habit

Climbing

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Flower

Pink, Purple or White in Spring, Summer or Winter

Foliage

Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

5-10 years


Preferred common name

vine lilac

Family

Papilionaceae


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

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

Other common names

  • Australian lilac
  • Australian sarsparilla
  • coral pea
  • false sarsparilla

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or East-facing
  • Sheltered

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

Soil

  • Moist but well-drained
  • Acid or Neutral
  • Sand or Loam

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 or 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