Douglas Fir — Pseudotsuga menziesii
High. The prominent, high-contrast growth ring transition, reddish-brown hue, and characteristic cathedral grain pattern strongly indicate Douglas Fir. confidence

Douglas Fir

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Western North America and Pacific Northwest region.
Hardness
710 lbf (Soft)
Durability
Moderately Durable

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Grain Pattern

Straight to slightly wavy grain with distinct flat-sawn cathedral patterns showing high contrast between earlywood and latewood growth rings.

Color & Appearance

Light brown to reddish-brown heartwood with a narrower yellowish-white sapwood. The color darkens significantly to a deeper amber or reddish tone over time when exposed to UV light and oxidation.

Hardness (Janka)

710 lbf (Soft)

Durability & Decay Resistance

Moderately Durable

Value & Sustainability

Estimated Market Value
$3.00 to $6.00 per board foot depending on grade and vertical grain quality.
Wood Age Estimate
Estimated 20-50 years based on surface oxidation, dryness, and checking.
Sustainability Status
Not CITES listed and generally of least concern according to the IUCN. Widely available and sustainably managed in plantations.

Common Uses

Structural framing, plywood, construction, flooring, doors, beams, and boat building.

Geographic Origin

Western North America and Pacific Northwest region.

Workability

Generally easy to work with both hand and machine tools, though the strong density contrast between earlywood and latewood can occasionally cause uneven planing or sanding if tools are not sharp.

Finish Recommendations

Accepts stains, varnishes, oils, and polyurethane well. Pre-conditioning may be required for even stain absorption on the uneven grain.

Notable Features

High strength-to-weight ratio, distinct resin canals, and a characteristic fresh pine-like or slightly sweet resinous scent.

Learn more about Douglas Fir in the Wood Encyclopedia
Identified August 23, 2026