Contents
Logs and sawdust
Order sawdust.
White oak (Quercus alba), red oak (Quercus rubra), and pin oak (Quercus palustris); sweetgum (Liquidambar styraciflua), ironwood (Carpinus caroliniana), and sugar maple (Acer saccharum).
Does the wood change the flavour
Different woods can impart slightly different flavours. Oak logs are said to give a slightly nutty or smoky shiitake, sweetgum a slightly sweet one. The differences are subtle and hard to pick out, and strain and growing conditions influence taste at least as much.
Year two
All woods; shiitake grow their own.