Douglas Fir — Pseudotsuga menziesii
High, based on the characteristic prominent growth rings, color variation between earlywood and latewood, and typical knot formations. confidence

Douglas Fir

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Western North America and the Pacific Northwest.
Hardness
660 lbf (Soft)
Durability
Moderately Durable, with moderate resistance to decay and insects.

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Grain Pattern

Straight to slightly wavy grain with pronounced growth rings and characteristic flat-sawn cathedral patterns, featuring visible knots.

Color & Appearance

Light brown or reddish-brown heartwood with a distinct paler yellowish-white sapwood, exhibiting moderate natural luster and darkening to a deeper amber/brown tone with age and light exposure.

Hardness (Janka)

660 lbf (Soft)

Durability & Decay Resistance

Moderately Durable, with moderate resistance to decay and insects.

Value & Sustainability

Estimated Market Value
3.00 to 6.00 USD per board foot depending on grade and dimensions.
Wood Age Estimate
Estimated to be 20 to 50 years old based on surface wear patterns, oxidation, and general finish degradation.
Sustainability Status
Not CITES listed, generally of least concern on the IUCN red list, widely available from sustainably managed forests and plantations with FSC certification.

Common Uses

Construction and framing, plywood, flooring, heavy timber construction, doors, and veneer.

Geographic Origin

Western North America and the Pacific Northwest.

Workability

Generally works well with both hand and machine tools, though the sharp contrast in density between earlywood and latewood can occasionally cause splintering or uneven planing if tools are not sharp.

Finish Recommendations

Takes stains, varnishes, and polyurethane well; pre-conditioning may be used for even stain absorption on the lighter sapwood.

Notable Features

High strength-to-weight ratio, distinct contrasting grain lines, characteristic resin pockets, and a pleasant, mild resinuous scent.

Learn more about Douglas Fir in the Wood Encyclopedia
Identified August 6, 2026