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Index / Search / Pseudotsuga menziesii

§1 Plant — species · Pinaceae

Pseudotsuga menziesii (Mirb.) Franco

vernacular Douglas-fir

USDA
PSME
GBIF
2685796
Rank
species
Douglas-fir (Pseudotsuga menziesii)
Platephotograph · Tracy S.CC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Tree
Duration
Perennial
Group
Gymnosperm
Family
Pinaceae Spreng. ex Rudolphi
Genus
Pseudotsuga
§2a

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Medium
Moisture use
Medium
Fire
Low
Salinity
Low
Anaerobic
Low
CaCO₃
Low
Hedging
Low
§3b

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
130 min.
Precipitation
18–100 in/yr
pH range
5–7.5
Root depth
26 in min.
Fertility need
Medium
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Single Stem
Growth rate
Moderate
Lifespan
Long
Mature height
200 ft
Height @ 20 y
40 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Dense
Fruit colour
Brown
Fire resistant
Yes
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Mid Spring
Seed abundance
High
Seed begins
Summer
Seed ends
Fall
Spread rate
Moderate
Stratify
Yes
Seeds / lb
42,080
Propagation
seed, bare root, container
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
Yes
Browse palatability
Low
Graze palatability
Low
Palatable, human
No
Protein potential
Low
Lumber
Yes
Fuelwood
Medium
Christmas tree
Yes

§4Montana distribution

Recorded in 4 of 56 Montana counties.

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/PSME ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2685796 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z