Aspen

in Species Guide
Latin name : Populus Tremula Family : Salicaceae Genus : Populus

Recognizing aspen (European or quaking aspen)

Aspen is recognized by:

  • Its trunks reaching 15-25 meters tall.
  • Its greenish-gray bark.
  • Its rounded, serrated leaves that are glaucous underneath
  • Its hairy catkins that hang down.

Sites favored by Aspen

Temperatures

Annual average of 10.4°C. Resists up to -15°C. Heliophilous species

Rainfall

Annual average of 900 mm 

Soils

The aspen likes deep, damp clayey/flinty soils. Quite a flexible species, like Poplar.

Root development of the aspen

  • Powerful running roots

Aspen plantation

Density Spacing Benefits and drawbacks
150-200 stems/ha

7 × 7 or

8 × 8 m

Relatively rapid growth and exploitation.
Planted in the form of unrooted cuttings. Does not like competition. Maintenance to be planned from an early age.

N.B. Benefits of an aspen forest: The initial plantation is the same as the final density, which means that no silvicultural work is required before the final felling.
See our guide to Poplar

Final density: 150-200 stems/hectare

Growth and production of Aspen

  • Rapid growth when young.
  • Production of 15 m3/ha/year (depending on site).

Aspen wood

  • White heart and indistinct sapwood.
  • Easy sawing, quick drying.
  • Excellent wood for veneer and sawing.
  • Also used for pulpwood.
  • Trade name: Aspen

HEALTH

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