English Oak (European Oak) — Quercus robur

English Oak (European Oak)

Quercus robur · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Native to most of Europe into Asia Minor and North Africa; naturalized in North America.
Hardness
1,120 lbf (Medium to Hard)
Durability
Very Durable; known for excellent resistance to rot and decay. Highly resistant to insect attack but sapwood is susceptible to powder post beetles.

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Grain Pattern

Straight but can be irregular or cross-grained; features prominent medullary rays and ring-porous structure visible in cross-section. Distinguishable 'growth rings' are tight and clear.

Color & Appearance

Heartwood is a light to medium brown, often with an olive cast. Sapwood is thin and significantly lighter (pale yellowish-white). Oxidation and exposure have caused the surface to develop a warmer, golden-brown patina.

Hardness (Janka)

1,120 lbf (Medium to Hard)

Durability & Decay Resistance

Very Durable; known for excellent resistance to rot and decay. Highly resistant to insect attack but sapwood is susceptible to powder post beetles.

Value & Age

Estimated Market ValueNot an official valuation

$5.00 to $12.00 per board foot depending on cut (e.g., quarter-sawn values are higher); low value as a raw log stump.

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

Wood Age Estimate
The tree was approximately 40-50 years old based on ring count. The stump itself appears recently cut and processed (1-3 years) with fresh oxidation and light surface Checking/cracking.

Common Uses

Landscaping (log seating), heavy construction, ship building, fine furniture, flooring, cabinetry, and wine barrels.

Geographic Origin

Native to most of Europe into Asia Minor and North Africa; naturalized in North America.

Workability

Standard for oak; easy to work with machines but requires sharp tools to prevent tearout. High tannin content can cause blue-black staining if in contact with iron in wet conditions.

Finish Recommendations

Currently unfinished; for outdoor longevity, a penetrating oil (tung or linseed) or an outdoor-rated UV-resistant polyurethane is recommended.

Notable Features

Characteristic 'oaky' scent when freshly cut. High tannin content acts as a natural preservative. Weight is approximately 42 lbs/ft3. Visible 'checking' (cracking) is normal as the log dries.

Learn more about English Oak (European Oak) in the Wood Encyclopedia
Identified July 20, 2026