Of the species used for untreated lumber, Douglas fir (Pseudotsuga menziesii). boards vertically, fir boards can be stacked to build a taller raised garden bed.
This is the best material for raised garden boxes that will last a long time and provide.. planning for the Fall, we decided to go with the raised garden bed method.. In 2003, the EPA banned the sale of lumber treated with chromated copper. Douglas Fir â€“ Douglas Fir can last 5-7 years, and is the cheapest of the types of .
So you've done some research and decided that raised garden beds are for you. Now you. Douglas Fir, or Doug Fir, is another great wood to use. It is readily .
An evergreen, Douglas fir is good for lumber, but not necessarily as good for raised bed gardening. While it's a bit sturdier outdoors than poplar and resists rot