Araucaria angustifolia × araucana

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<em>Araucaria</em> <em>angustifolia</em> × <em>araucana</em> RHS / Joanna Kossak
Trees Conifers

A slow-growing evergreen tree also known as 'Monkey Puzzle' with snake-like branches of dark green sharp, pointed needles which curve upwards. The bark is grey and wrinkled.

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

8-12 metres

Max Spread

4-8 metres

Size

Time to Maturity
20–50 years
Max Spread
4-8 metres
Max Height
8-12 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or 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

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus
Name Status

How to Grow

Cultivation

Grow in moderately fertile, moist but well drained soil; prefers a slightly acidic soil

Propagation

Propagate by seed sown in seedbed as soon as ripe; take semi-ripe cuttings of vertical shoot tips in midsummer and root in a cold frame, cuttings of horizontal side branches will not form an upright tree

Suggested planting locations and garden types

  • Architectural

Pruning

Pruning group 1; little or no pruning is required, as this can permanently spoil the shape of the tree

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus