HACKBERRY (Celtis occidentalis)
Hackberry is closely related to sugarberry and is a member of the elm family. There is little difference between sapwood and heartwood which is yellowish gray to light brown with yellow streaks. The wood is very susceptible to blue staining before and after kiln drying and has irregular grain, occasionally straight and sometimes interlocked, with a fine uniform texture. The wood planes and turns well and is intermediate in its ability to hold nails and screws, and stains satisfactorily. Hackberry dries readily with minimal degrade. It has a fairly high shrinkage and is most suitable in cut stock or small pieces. It is moderately hard, heavy and has bending strength, high shock resistance but is low in stiffness.
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some info i found about hackberry tree