Thanks Steve. I'll probably peel the bark then, and then lightly stain after 6 weeks, maybe longer. If the wood isn't going to be seasoned for years, is it still safe to build furniture with? Also, what is a good stain to use with peeled wood like this? The same stuff people stain boards with?
Safe, perhaps, but may not be practical.
Unseasoned wood, also called "green" wood - nothing to do with the colour, is going to change dimension as it dries.
The wood shrinks most at right angles to the grain (width of a normal board you see in the store).
Think of the wood as a series of straws which represent the grain. The straws contain the sap (moisture). As the sap dries out the straws shrink in diameter, but very little in length.
If you make "final" cuts and holes etc. then the pieces may crack or just not fit together as the wood dries.
Timber frame houses apparently are typically built with green wood, but the design has to accommodate the movement at the wood dries.
As for the stain, you can use the same stain as seasoned wood.
The bark surface will not be smooth. Stain is normally applied wipe on, then wipe off. A rough surface will cause some of the stain to collect and the colour may not be uniform.
You could consider a dye vs a stain. Rick Mosher started an excellant thread on this. Search for "Dye vs pigment" to find the thread.