Hardenbergia violacea

RHS Plant Profile
vine lilac

Save a plant

Where do you want to save Hardenbergia violacea?

Plants I own
Wishlist
Go to My Plants
vine lilac www.gardenworldimages.com

Other common names

Australian lilac, Australian sarsparilla, coral pea, false sarsparilla

Award of Garden Merit
Climber Wall Shrub Conservatory Greenhouse
Thank you - your purchase supports our charity work Buy this from RHS Plants Shop
Buy online from £37.99Buy this from Plant Nurseries
8 Suppliers

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

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
1.5-2.5 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing
Exposure
Sheltered
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 & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Fabaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Climbing
Genus
Hardenbergia are evergreen twining perennials with leaves usually composed of 3 ovate leaflets, and profuse racemes or panicles of small, pea-like flowers
Name Status
Correct
Plant Range
Australia

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 peat-free, 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

  • Mediterranean climate plants
  • Patio and container plants
  • Low Maintenance

Pruning

Pruning group 11, after flowering.

Pests

May be susceptible to glasshouse red spider mite, glasshouse whitefly and slugs

Diseases

Generally disease-free