Douglas Fir — Pseudotsuga menziesii
High, determined by the distinct reddish-brown tone, prominent cathedral growth ring patterns, and sharp transition between earlywood and latewood typical of Douglas Fir confidence

Douglas Fir

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Pacific Northwest and western regions of North America
Hardness
660 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 rings

Color & Appearance

Light reddish-brown heartwood with yellowish-white sapwood, heavily weathered to a silvery-gray patina on the exposed surface

Hardness (Janka)

660 lbf (Soft)

Durability & Decay Resistance

Moderately Durable

Value & Sustainability

Estimated Market Value
3.00 to 6.00 USD per board foot for standard grades
Wood Age Estimate
30 to 50 years based on weathering, surface checks, and oxidation
Sustainability Status
Not CITES listed, IUCN Least Concern, widely available with sustainable forestry management and plantation harvesting

Common Uses

Construction framing, plywood, heavy timber construction, flooring, doors, and general millwork

Geographic Origin

Pacific Northwest and western regions of North America

Workability

Generally easy to work with both hand and machine tools, though the stark contrast in density between earlywood and latewood can sometimes cause splintering or uneven planing if blades are not sharp

Finish Recommendations

Takes stains, varnishes, and paints well, though exterior applications require UV-resistant finishes to prevent graying

Notable Features

High strength-to-weight ratio, pronounced growth ring contrast, resin canals present

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