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Pinus jeffreyi

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© RHS 2000

Characteristics

Plant type

Conifer or Tree

Habit

Columnar/Upright

Resilience

Hardiness

old H4 (hardy)

Colour

Foliage

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

Fruit

Brown in Autumn

Size

Ultimate height

Higher than 12 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

20-50 years


Preferred common name

Jeffrey's pine

Family

Pinaceae


Pinus can be shrubs or large, evergreen trees, some species with attractive bark, developing an irregular outline with age and bearing long needle-like leaves in bundles of 2, 3 or 5; conspicuous cones may fall or remain on the tree for years

P. jeffreyi is a large evergreen tree, conical when young, with slender, grey-green needles to 22cm in length, in bundles of three. Cones ovoid, to 20cm in length

Other common names

  • black pine

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grow in any well-drained soil. Large specimen tree

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by seed

Suggested planting locations and garden types

Architectural or Low Maintenance


How to care

Pruning

No pruning required

Pests

May be attacked by adelgids, aphids, sawflies/sawfly and pine shoot moth

Diseases

May be subject to pine needle cast