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Climber Wall ShrubConservatory Greenhouse

Hardenbergia comptoniana

Western Australia coral pea

A vigorous twining climber to 3m, with evergreen, 3-parted leaves to 15cm in length and drooping racemes of purple pea-flowers 15mm across from early spring

Synonyms

Kennedia macrophylla Lindl.

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Ultimate height

2.5–4 metres

Time to ultimate height

5–10 years

Ultimate spread

0.5–1 metres

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or East–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)

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

Patio and container plants

Pruning

Pruning group 11, after flowering.

Pests

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

Diseases

Generally disease-free

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