Douglas Fir (alternative: Southern Yellow Pine or Western Redcedar) — Pseudotsuga menziesii
Medium; identified based on end-grain growth ring structure showing distinct earlywood-latewood transitions, live-edge slab format, reddish-brown heartwood color, and coarse softwood grain texture confidence

Douglas Fir (alternative: Southern Yellow Pine or Western Redcedar)

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Western North America (Pacific Northwest, Rocky Mountain region)
Hardness
710 lbf (Soft)
Durability
Moderately Durable; offers moderate natural resistance to decay and rot, though sapwood is susceptible to insect attack

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Grain Pattern

Pronounced flat-sawn growth rings with uneven earlywood/latewood bands showing strong wavy cathedral patterning across the end cut

Color & Appearance

Heartwood ranges from light reddish-brown to dark golden amber, with yellowish-tan earlywood growth bands; darkens to a deeper reddish-brown with age and UV exposure

Hardness (Janka)

710 lbf (Soft)

Durability & Decay Resistance

Moderately Durable; offers moderate natural resistance to decay and rot, though sapwood is susceptible to insect attack

Value & Sustainability

Estimated Market Value
$4.00 - $8.00 per board foot for live-edge rough-sawn slab material
Wood Age Estimate
Rough-sawn slab shows moderate surface oxidation, rough mill saw marks, and aging consistent with 10 to 30 years of reclaimed or stored lumber
Sustainability Status
Least Concern (IUCN); widely available and sustainably harvested across North America; FSC certified sources common

Common Uses

Heavy construction framing, live-edge tables, structural timbers, outdoor decking, millwork, plywood core, and rustic furniture

Geographic Origin

Western North America (Pacific Northwest, Rocky Mountain region)

Workability

Works easily with hand and machine tools, though sharp cutters are needed to avoid tearout between soft earlywood and dense latewood bands; holds glues and fasteners well

Finish Recommendations

Pre-stain wood conditioner recommended to prevent blotching; finishes exceptionally well with penetrating oils (tung oil, Danish oil), film-forming polyurethanes, or exterior spar varnish

Notable Features

Distinct resinous/piney scent when freshly cut or sanded; high strength-to-weight ratio; prominent earlywood to latewood density contrast

Learn more about Douglas Fir (alternative: Southern Yellow Pine or Western Redcedar) in the Wood Encyclopedia
Identified July 27, 2026