Hackberry: No 'Hack' Wood for Furniture, Casegoods

By Jo-Ann Kaiser | Posted: 07/06/2012 2:56PM

 

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click image to zoomHackberryFamily Name:
Celtis occidentalis of the Family Ulmaceae

Common Names
Hackberry, sugarberry, hack-tree, hoop ash, nettletree, false elm, bastard elm, beaverwood, Northern hackberry, common hackberry and American hackberry.

Height/Weight
Height ranges from 40 to 80 feet, but trees can reach 130 feet. Average weight is 40 pounds per cubic foot with a specific gravity of 0.59.

Properties:
• Hackberry dries readily with little degrade. It can be subject to blue sap stain.
• It has a very good steam bending rating. It is high in shock resistance, but low in stiffness. The wood has some shrinkage, but keeps its shape in seasoning.
• Cutting edges should be sharp to avoid the wood’s blunting effect. Hackberry works well with hand and machine tools and stains satisfactorily.
A nice looking, multipurpose species, hackberry is popular with wildlife and birds, which dote on its purple-toned fruit. And while it might not be the first choice for fine woodworking, there is ample proof that hackberry can be translated into a stunning range of finished products.

“Although hackberry is infrequently used for aesthetic applications, it is a very versatile and attractive wood that, with the proper preparation from log to lumber or veneer, should be considered a viable option for furniture and cabinetry,” said Ang Schramm, director of technical services, Columbia Forest Products.

Schramm said that because of its tendency to readily exhibit oxidative sap stain and to host various fungi, hackberry has fallen from favor over the last few decades and is often relegated for use om covered furniture or pallet stock. However, he added, these conditions are related to moisture and drying, and, with the proper procedures may be overcome.

Hackberry chestDesigned by John Sterling, this chest features a cherry base and hackberry top. Photo: J. C. Sterling Fine Furniture & Accessories John Sterling, a Milmont, PA-based furniture designer and woodworker, has used hackberry in his business, J. C. Sterling Fine Furniture & Accessories. “I found hackberry to be easy to work,” he said. “There is some interlocking grain, similar to elm, but if you have sharp cutters it doesn’t create an issue. I chose it for the color — creamy white with some yellow, brown or greyish streaks in it. I use clear finishes on all my items and using an oil-based varnish/oil blend increased the amber tones of the wood. You can also use water-based varnishes to maintain the white color.”

Hackberry is featured in this table by J. C. Sterling Fine Furniture & Accessories. Sterling has used hackberry in several designs including a four-drawer chest made with cherry and a hackberry top and a coffee table teamed with legs made from walnut. His philosophy regarding his work is that “Form and color can change moods, tactile elements can enhance comfort, and natural elements connect us to earth’s live giving forces. Natural elements add warming touches to our homes.”

Another woodworker who has also used hackberry, including reclaimed hackberry, in his work is Seth Deysach of Lagomorph Design. Among the pieces created has been a hackberry desk with lacquered MDF drawers.

Seth Deysach of Lagomorph Design used reclaimed hackberry and lacquered MDF in his creation. Spalted hackberry has also been used for a variety of applications and offers a dramatic look, especially as an accent in cabinetry or furniture or as a turned piece and in specialty applications, Deysach added.

Abundant Species

According to Schramm, common hackberry (Celtis occidentalis) can be found throughout most of the upper Midwestern United States while its kissing cousin southern sugarberry (C. laevigata), is throughout the southeastern part of the country. “Their ranges actually overlap to the extent that naturally occurring hybridization is possible due to the genetic similarities of these two species within the genus Celtis, which actually consists of about 40 species worldwide.”

Hackberry KitchenLong used as frame stock, hackberry is also seeing increased use in furniture and casegoods. Photo: American Hardwood Information Center, HardwoodInfo.com. When harvested, hackberry and sugarberry are generally indistinguishable and both are classified generically as hackberry, Schramm added. “They both exhibit the normal cream to khaki color in the sapwood with occasional grey tones developing. The heartwood may be only slightly darker to a ruddy darker brown color and dark streaks may be prevalent in both. The genus is ring porous with clearly discernible alternating layers of coarse textured springwood followed by much tighter, smoother textured summerwood, similar to oak, ash, or elm, which it most resembles. In fact, it has occasionally been called ‘poor man’s elm,’” said Schramm.

In addition to furniture frame stock, millwork, casework, pallets, and shipping containers, hackberry also has been used for tool handles. It machines relatively easily and takes a finish well.


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About the Author

Jo-Ann Kaiser

Jo-Ann Kaiser

Jo-Ann Kaiser has been covering the woodworking industry for 31+ years. She is a contributing editor for the Woodworking Network and has been writing the Wood of the Month column since its inception in 1986.

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