Knotty Alder — Alnus rubra

Knotty Alder

Alnus rubra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Pacific Northwest of North America
Hardness
590 lbf (Soft)
Durability
Non-durable, with poor resistance to decay and insect attack.

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Grain Pattern

Straight, uniform grain with a fine texture featuring numerous prominent tight knots.

Color & Appearance

Light brown with reddish or yellowish undertones, showing little difference between sapwood and heartwood.

Hardness (Janka)

590 lbf (Soft)

Durability & Decay Resistance

Non-durable, with poor resistance to decay and insect attack.

Value & Age

Estimated Market ValueNot an official valuation

3.00 to 6.00 USD per board foot

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
Estimated at 1 to 5 years, displaying a fresh factory-finished patina.

Common Uses

Interior cabinetry, doors, furniture, millwork, and turned items.

Geographic Origin

Pacific Northwest of North America

Workability

Exceptional workability with hand and machine tools, though knots can sometimes chip or tear out.

Finish Recommendations

Takes stains, dyes, and clear coats exceptionally well, particularly lacquers and conversion varnishes.

Notable Features

Lightweight and soft for a hardwood, known for excellent staining qualities and rustic knot clusters.

Learn more about Knotty Alder in the Wood Encyclopedia
Identified November 3, 2026