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Acacia dealbata AGM

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© Roy Cheek 2003

Characteristics

Plant type

Conservatory/Greenhouse or Shrub

Habit

Bushy

Resilience

Hardiness

H2 (tender - cool or frost-free greenhouse)

Colour

Flower

Yellow in Spring and Winter

Foliage

Green and Grey/Silver in Autumn, Spring, Summer and Winter

Fruit

Dark Brown in Summer

Size

Ultimate height

8-12 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

10-20 years


Preferred common name

blue wattle

Family

Mimosaceae


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

A. dealbata is an evergreen shrub to 10m or more, with finely divided grey-green leaves and fragrant yellow flowerheads, borne in terminal clusters

Other common names

  • mimosa
  • silver wattle

Synonym(s)

  • Acacia decurrens var. dealbata
  • Racosperma dealbatum

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered

Cultivation

Grow outdoors in neutral to acid soil in sheltered frost-free location. Under glass grow in loam-based compost in full light. Resents hard pruning

Soil

  • Well-drained or Moist but well-drained
  • Acid or Alkaline
  • Loam or Sand

Propagation

Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Patio/Container Plants or Wall-side Borders


How to care

Pruning

Pruning group 8

Pests

Can get glasshouse red spider mite, fluted scale and mealybugs

Diseases

Generally disease free