Pseudotsuga menziesii (Douglas Fir)


 .

Pseudotsuga menziesii (Douglas fir)

Pronunciation: soo-doe-TSOO-guh MEN-zeez-ee-eye

Family: Pineceae 
Plant type: Conifer
Douglas-FirZone: 5 (-25 to -23 C)
Origin: BC east and west of Cascades, U.S. southwest and northwest 

Mature size
  Height: >30m
  Spread: 10 - 15m
Form: Pyrimidal, widely
Texture: Medium
Habit: Horizontal, upright
……..
Leaves
Arrangement:Alternate-spiraled 
Shape: acicular, linear 
Size: 2-3 cm 
Margin: Entire
Characteristics: Acute, rounded
Colour: green
………
Flowers
Inflorescence type: n/a (male cone)
Colour: not showy 
Size:
Time:
psmef1.jpg………
Stem
Colour: Bark: deeply fissured, corky, single stem trunk
Description: grey brown
………
Fruit type: Cone Winged-seeds
Colour: brown
Time: September - October
………
Exposure
 - full sun
Preferred soil
 - acidic well drained 
Landscape uses 
 - forestry
 - native planting
psmeh1.jpg - specimen plant
 - wind break
Propagation
- seed
Comments
 - not a true fir

Pests 
 - dieback
 - nematodes
 - scale insects 

Comments

Popular posts from this blog

Physocarpus capitatus (Common ninebark)

Cercis canadensis / occidentalis (Red bud Tree)

Embracing the Green Revolution: How Covid-19 Inspired Sustainable Living