Douglas Fir — Pseudotsuga menziesii
High, determined by the distinct reddish-brown coloration, pronounced straight grain with stark earlywood/latewood ring contrast, and characteristic appearance of framing lumber confidence

Douglas Fir

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Pacific Northwest and Western North America
Hardness
710 lbf (Soft)
Durability
Moderately Durable, with fair resistance to decay and weathering when untreated

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Grain Pattern

Straight grain with distinct growth rings and a prominent flat-sawn cathedral pattern

Color & Appearance

Light reddish-brown heartwood with a paler yellowish-white sapwood, moderate natural luster, darkens to a deeper reddish-brown upon prolonged exposure to light

Hardness (Janka)

710 lbf (Soft)

Durability & Decay Resistance

Moderately Durable, with fair resistance to decay and weathering when untreated

Value & Sustainability

Estimated Market Value
Moderate, typically $2.50 to $5.00 per board foot depending on grade and dimensions
Wood Age Estimate
Estimated to be moderately recent lumber, showing typical oxidation and milling marks consistent with standard construction material
Sustainability Status
Not listed on CITES appendices and generally considered of least concern by the IUCN; widely available from sustainably managed forests and plantations

Common Uses

Construction framing, plywood, heavy timber construction, flooring, doors, and window sashes

Geographic Origin

Pacific Northwest and Western North America

Workability

Generally works well with both hand and machine tools, though the pronounced difference in hardness between earlywood and latewood can occasionally cause splintering or uneven planing if blades are not sharp

Finish Recommendations

Accepts stains, varnishes, and polyurethanes well, though an initial pre-stain wood conditioner is often recommended to prevent blotchiness on softer earlywood areas

Notable Features

High strength-to-weight ratio, excellent dimensional stability, prominent contrast between earlywood and latewood rings, and a distinct resinous scent when freshly cut

Learn more about Douglas Fir in the Wood Encyclopedia
Identified August 5, 2026