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Pseudotsuga menziesii

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© RHS

Characteristics

Plant type

Conifer or Tree

Habit

Columnar/Upright

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Fruit

Brown in Winter

Size

Ultimate height

Higher than 12 metres

Ultimate spread

wider than 8 metres

Time to ultimate height

more than 50 years


Preferred common name

Douglas fir

Family

Pinaceae


Pseudotsuga are large evergreen trees with leathery, linear leaves and conspicuous cones with 3-pointed bracts emerging between the cone-scales

P. menziesii is a fast-growing large evergreen tree of conical habit, the bark becoming thick and rugged; leaves linear, dark green, two-ranked. Cones to 10cm long, with conspicuous exserted bracts

Other common names

  • green Douglas fir
  • Oregon pine

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing
  • Exposed or Sheltered

Cultivation

Grow in any well-drained, non-chalky soil in full sun

Soil

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

Propagation

Propagate by seed sown fresh in containers in a cold frame in late winter

Suggested planting locations and garden types

Architectural or Hedging/Screens


How to care

Pruning

Requires little pruning. Remove competing leaders on young trees

Pests

Douglas fir adelgids may occur

Diseases

Generally disease free