"Way Back Jack" wrote in message
...
I want the mulch that takes longest to break down. Available a
hardwood, shrubbery, pine, cypress, and cedar.

Which breaks down the slowest?

Or is the shape more important: shredded vs. nuggets? Thanks

That orange colored, chemically treated, ground up pallet material seems to
last forever, except the orange dye usually fades in the sunlight.