The best wood for planter boxes is black locust lumber. This wood is highly resistant to insects, temperature extremes and rot. Black locust may last for 20 years or more exposed to the elements with no chemical treatment.
About this Author
Julia has been writing professionally for 4 years and has appeared in WNY Family, Baton Rouge Family, Unique Magazine, Familyresource.com, and MomGadget.com, just to name a few. Julia attended Rowan Cabarrus Community College. Part of her health care education was provided by training through Elderwood Skilled Nursing Facilities.