This is a tall evergreen coniferous species of tree that is common in British Columbia.
Tree up to 70 (occasionally to 90) m tall; rounded to flattened crown when older, young trees with pyramidal crown; bark very thick, rough, dark brown.
Needles (1.5) 2-3 (3.5) cm long, spreading around twig or turned upward, obtuse to abruptly sharp-pointed tip; color varies from yellow-green to dark-green in var. menziesii to blue-green in var. glauca, lower surface with two longitudinal bands of white stomata.
Seed cones drooping, yellowish- to purplish-green when young, turning reddish-brown, soon deciduous; 6-10 cm long in var. menziesii, 4-7 cm in var. glauca; scales with 3-lobed tip, the centre one the longest; pollen cones yellow to reddish, 6-10 mm long.
Two varieties are recognized in BC:
1. Cones mostly 6-10 cm long, the bracts straight and appressed toward the cone tip; leaves deep (yellowish) green; primarily coastal.................. var. menziesii (coast Douglas-fir)
1. Cones mostly 4-7 cm long, the bracts appressed to spreading or reflexed; leaves more bluish-green; primarily interior................. var. glauca (Beissn.) Franco (Rocky Mountain Douglas-fir)
Present from Summer to Fall
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|BG(38), ESSF(51), ICH(342), IDF(673), MS(184), PP(69), SBS(2)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Pseudotsuga flahaultii Flous
Pseudotsuga menziesii var. flahaultii (Flous) Silba
Pseudotsuga taxifolia var. glauca (Beissn.) Sudworth