Yellow Poplar
Liriodendron tulipifera
Also known as: Tulip Poplar, Tulipwood, American Tulipwood, Whitewood
Yellow Poplar is one of the most commercially important hardwoods in North America, prized not for hardness but for workability, stability, and outstanding paintability. Its distinctive multi-coloured heartwood — cream with streaks of purple, blue, and green — makes it visually unique, though it is most often used under paint in furniture and millwork.
Botanical Profile
Liriodendron tulipifera is the tallest native hardwood in eastern North America, commonly reaching 30–50 metres with trunk diameters exceeding one metre. Member of the Magnoliaceae family, it produces distinctive tulip-shaped flowers. Fast-growing and site-adaptable across eastern US forests.
Physical Properties
Diffuse-porous with fine, uniform texture and low density of approximately 510 kg/m³. Janka hardness of 540 lbf places it among softer commercial hardwoods. Dimensionally stable in service; minimal movement coefficients. Shrinkage radial 4.6%, tangential 8.2%.
Workshop Notes
Blunting Effect
Very low — extremely kind to cutting edges
Gluing Advice
Excellent — bonds readily with all common adhesives
Finishing
Superb paint base; under clear finish the variable heartwood colour may be considered decorative or distracting depending on application
Steam Bending
Moderate steam bending properties
Historical Context
Yellow Poplar was a preferred timber of American frontier settlers — Daniel Boone famously built a dugout canoe from a single tulip poplar log. Throughout the 19th and 20th centuries it became the dominant secondary wood in American furniture, used for drawer sides, back panels, and frames behind veneered surfaces.
Technical Specs
Cream to pale yellowish-green heartwood, often with distinctive streaks of purple, grey, blue, or green; pale sapwood
Abundant and fast-growing; FSC-certified supply widely available