Scientific Name:	Pseudotsuga menziesii
Pronunciation:	soo-doe-TSOO-guh MEN-zeez-ee-eye
Common Name:	Douglas fir
Family Name:	Pinaceae
Plant Type:	Conifer
Key ID Features:	Leaves soft, needle-like, much shorter and flatter than pine trees; cones pendulous with 3-pointed bracts tucked under cone scales, look like tail and back legs of a mouse hiding under scale; bark very thick, deeply fissured. Seedling ID: 5-9 cotyledons, 1.2-2 cm long, no teeth.
Course(s):	AARB 1012, HORT 1155, Level 4 Apprenticeship

Habit: Horizontal, Upright Form: Pyramidal - widely Texture: Medium Mature Size: Height: > 30m Spread: 10 - 15m Growth Rate: Moderate Origin: B.C. east of Cascades, B.C. west of Cascades, U.S. - northwest, U.S. - southwest Hardiness Rating: Zone 5: (-29 to -23 C) Exposure: Full sun Soil/ Growing Medium: Acidic, Well-drained Water Use: Moderate Landscape Uses: Forestry, Native planting, Specimen plant, Wind break, Woodland margin Additional Info: Google

Leaf Morphology: Form: Needle-like Arrangement: Alternate, Spiraled Texture/ Venation: Soft flexible Surfaces: Glabrous Colour in Fall: Green Leaf(let) Terms: Shapes: Acicular Apices: Acute, Rounded Bases: Cuneate Margins: Entire Additional Info: 2-3 cm long, sharp point; soft, flexible, appear in 2 rows, spirally arranged, flat, groove above.

Inflorescence Type: n/a (male cone) Flower Morphology: Colour (petals): Male Cone, Yellow, Brown Flower Time at Peak: Apr, May

Fruit Type: Cone (winged seeds) Fruit Colour: Brown Fruiting Time: Sep, Oct

Bark Morphology: Deeply fissured, Corky, Single stem trunk Bark or Stem Colour: Grey, Brown     Organ Modifications: Ectomycorrhizae

Propagation:	Seed
Plant Care:
Maintenance:	Low
Pest Susceptibility:	Dieback, Nematodes, Scale insects, Diptera - true flies, Canker or sap rot, Rust, Aphids or adelgids, Caterpillar or cutworm, Blight or needle cast

Location(s): (JPL) Juglans PLanting (TFL) Turf Field Lab (TFLW) Turf Field Lab West (WDH) Wark-Dumais House : 213, 215 (WLG) WoodLand Garden Location Map

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