Acacia baileyana 'Purpurea'

RHS Plant Profile

purple Cootamundra wattle

Trees

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A large, graceful evergreen shrub to 6m in height, with fern-like, silvery-grey leaves tinted with purple and clusters of small, round, scented yellow flowerheads in winter and spring

Position

Full sun

Soil Types

Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 5–10 years
Max Spread: 2.5-4 metres
Max Height: 4-8 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Neutral

Position

Full sun

Aspect: South–facing or West–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
Drought Resistance: Yes

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Fabaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Acacia can be deciduous or evergreen trees, shrubs or climbers, with alternate, pinnately divided leaves or simple modified leaf-like stalks (phyllodes), and tiny, sometimes fragrant, flowers in short spikes, or in racemes or spikes of spherical heads
Name Status: Accepted

How to Grow

Cultivation

Grow under glass or indoors in a peat-free, loam-based potting compost in full light. When in growth water freely and apply a balanced liquid fertiliser monthly. Water sparingly in winter, keeping barely moist. Can be grown outdoors in warmer climates

Propagation

Propagate by seed at a minimum of 18°C in spring. Soak in warm water until seeed swells. Root semi-hardwood cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Mediterranean climate plants
Low Maintenance
Conservatory and greenhouse

Pruning

Pruning group 8 or pruning group 13 for wall-trained specimens

Pests

May be susceptible to glasshouse red spider mite under glass

Diseases

May be susceptible to honey fungus