Shagbark Hickory (Carya ovata)
Shagbark Hickory (Carya ovata)

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Common Name(s): Shagbark Hickory

Scientific Name: Carya ovata

Distribution: Eastern United States

Tree Size: 65-100 ft (20-30 m) tall, 1-2 ft (.3-.6 m) trunk diameter

Average Dried Weight: 50 lbs/ft3 (800 kg/m3)

Specific Gravity (Basic, 12% MC): .64, .80

Janka Hardness: 1,880 lbf (8,360 N)

Modulus of Rupture: 20,200 lbf/in2 (139.3 MPa)

Elastic Modulus: 2,160,000 lbf/in2 (14.90 GPa)

Crushing Strength: 9,210 lbf/in2 (63.5 MPa)

Shrinkage: Radial: 7.0%, Tangential: 10.5%, Volumetric: 16.7%, T/R Ratio: 1.5

Color/Appearance: Heartwood tends to be light to medium brown, with a reddish hue; sapwood is a paler yellowish brown. Boards with contrasting heartwood and sapwood create a somewhat rustic appearance that’s sometimes marketed as Calico Hickory.

Grain/Texture: Grain is usually straight, though occasionally wavy, with a medium texture.

Endgrain: Ring-porous; large to very large earlywood pores in a single intermittent row, medium to small latewood pores solitary and radial multiples of 2-3, few; tyloses common; parenchyma reticulate (bands absent from earlywood row in true hickory group, but present in pecan hickory group); narrow rays, close spacing.

Rot Resistance: Considered to be non-durable to perishable regarding heartwood decay, and also very susceptible to insect attack.

Workability: Difficult to work, with tearout being common during machining operations if cutting edges are not kept sharp; the wood tends to blunt cutting edges. Glues, stains, and finishes well. Responds well to steam bending.

Odor: No characteristic odor.

Allergies/Toxicity: Besides the standard health risks associated with any type of wood dust, no further health reactions have been associated with Shagbark Hickory. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information.

Pricing/Availability: Various species of Hickory and Pecan (Carya genus) are typically mixed together and simply sold as Hickory. Prices are usually in the low to mid range, depending upon local availability. Hickory  prices should compare similarly to other utility hardwoods such as Red Oak or Soft Maple.

Sustainability: This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species.

Common Uses: Tool handles, ladder rungs, wheel spokes, flooring, etc.

Comments: Hickory is among the hardest and strongest of woods native to the United States. On average, Hickory is denser, stiffer, and harder than either White Oak or Hard Maple. The wood is commonly used where strength or shock-resistance is important.

Shagbark Hickory falls into the True-Hickory grouping, and is considered to be a ring-porous wood. The strength characteristics of Hickory are influenced considerably by the spacing of its growth rings. In general, wood from faster-growing trees, with wider spaced growth rings, tends to be harder, heavier, and stronger than wood from slower-growing trees that have rings which are closer together.

In addition to strength and hardness applications, the wood of Carya species also has a very high thermal energy content when burned, and is sometimes used as fuelwood for wood stoves. Additionally, Hickory is also used as charcoal in cooking meat, with the smoke imparting additional flavor to the food.

Related Species:

Related Articles:

Scans/Pictures: A special thanks to Salem Barker for providing the sculpture photo of this wood species.

Shagbark Hickory (sanded)
Shagbark Hickory (sanded)
Shagbark Hickory (sealed)
Shagbark Hickory (sealed)
Shagbark Hickory (endgrain)
Shagbark Hickory (endgrain)
Shagbark Hickory (endgrain 10x)
Shagbark Hickory (endgrain 10x)
Shagbark Hickory (sculpture)
Shagbark Hickory (sculpture)
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Anderson

Hi Guys. I am new to wood turning and after a couple of projects wanted to turn a mallet out of hickory. I got some hickory but when I got about a half inch into it I found a lot of small (1/16 inch) holes inside. Are those insect holes or can anybody tell me what it is and is the wood still durable as a mallet.

S87WOOD

In regards to your question: yes and most probably yes, unless the face of the mallet looks like swiss cheese, then you may want to ditch that piece. Good luck with the mallet!

Rob

Does hickory bleed any color when it gets wet? Thinking of using some for livestock bedding.

Ken Young

I have burned many types of wood in small hiking / survival wood stoves. (I am the inventor of Siege Stoves.) Photinia is perhaps the best! It is an extremely dense almost white wood, harder and stronger than oak. I would like to find out if photinia is stronger than hickory –I suspect that it is. Hickory does not grow where I live (California foothills). Would anyone be so kind as to mail me (3) one inch diameter pieces about (2) feet long? I would like to perform break strength tests on them in comparison to photinia. Thanks, Ken Young… Read more »

John Freeberg

I have created a whole-tree frame of shagbark hickory for our great room. I felled the trees and peeled the bark in April. On the surface of the sapwood are ripples (small ridges and valleys) running parallel with the tree. The sapwood has a natural glow with no finish applied. Is there a name for these ripples? Can you explain their purpose or function? Thanks, John

John Freeberg

Thanks Eric, The ripples in your photos is in the grain of the wood. I am inquiring about ripples on the vascular cambium layer. Here is a picture of the room. I have no detail photo of the ripples. comment image

John Freeberg

Eric — These ripples on the surface of the sapwood are visible as soon as the bark is removed. The limb in this photo was cut and debarked 6 years ago. It has no finish material applied (varnish), just a natural sheen. jf comment image

John Freeberg

Thanks for taking a look. In a few places in our house, one can see larger, vertical ripples. These are too challenging to photograph. Kind regard, Jf

Ralph A Borelli

I have some citrus just like that. I’ll get a photo right quick

John Freeberg

Eric — ripples in the cambium layer, Jfcomment image

BokkenMaker

There is a lot of conflicting information regarding the properties of hickory heartwood vs sapwood, especially in use for impact tools like bokkens in martial arts (wooden swords for paired training). Looking for highest tensile strength, so that the wood withstands strong impacts along the grain, is there a difference between heartwood and sapwood in True Hickory Group woods?

Jesse Francis

“The strength characteristics of Hickory are influenced considerably by the spacing of its growth rings. In general, wood from FASTER-growing trees, with WIDER spaced growth rings, tends to be harder, heavier, and stronger than wood from SLOWER-growing trees that have rings which are CLOSER together.”

Is this really correct? If so that is really counter-intuitive. I think this may be a typo—shouldn’t it say that slower-growing trees with narrower rings are harder, heavier and stronger than faster-growing trees with wider ring spacing?

Jesse Francis

Thanks, Eric. That makes a lot more sense now! I appreciate the response.