Likely Douglas-fir; ponderosa pine or another western conifer are alternatives. The photo shows a log cross-section, not enough detail for a definitive species ID.
Likely Pseudotsuga menziesii; alternatives include Pinus ponderosa. · Softwood (conifer).
AI-generated identification · may be incorrect- Type
- Softwood (conifer).
- Origin
- Douglas-fir is native to western North America, especially the Pacific Northwest and western mountains; ponderosa pine occurs across western North America.
- Hardness
- Douglas-fir: about 660 lbf, Soft. Ponderosa pine: about 540 lbf, Soft.
- Durability
- Slightly Durable; heartwood has limited decay resistance, and sapwood is susceptible to insects and rot, especially outdoors.
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Grain Pattern
End grain shows pronounced annual rings and radial checking; the knot indicates a branch origin. Face-grain figure and sawing orientation cannot be assessed.
Color & Appearance
Cut surface is tan to orange-brown, with darker growth rings and a darker knot; weathering and lighting may affect color. Freshly exposed wood may darken or mellow with light and oxidation.
Hardness (Janka)
Douglas-fir: about 660 lbf, Soft. Ponderosa pine: about 540 lbf, Soft.
Durability & Decay Resistance
Slightly Durable; heartwood has limited decay resistance, and sapwood is susceptible to insects and rot, especially outdoors.
Value & Age
Roughly US$3–8 per board foot for ordinary surfaced lumber; log quality, dimensions, region, and grade cause substantial variation.
AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.
- Wood Age Estimate
- Cannot estimate tree or sample age reliably from this photo; visible rings are too indistinct to count, and the log appears recently cut or weathered outdoors.
Common Uses
Construction framing, sheathing, doors, millwork, furniture, flooring, and sometimes poles or beams.
Geographic Origin
Douglas-fir is native to western North America, especially the Pacific Northwest and western mountains; ponderosa pine occurs across western North America.
Workability
Generally machines and glues well, though resin, knots, and pronounced earlywood/latewood can cause tearout or uneven sanding; predrill near ends for fasteners.
Finish Recommendations
Sand evenly and use a compatible sealer, varnish, or polyurethane; test stain first because soft earlywood can absorb it unevenly.
Notable Features
Strong growth-ring contrast and a prominent knot are visible; Douglas-fir is valued for strength and has a mild resinous scent when fresh.