per the instructions, spice pack is added with the finishing hops 15 minutes prior to end of boil.
I left mine in primary for 3 weeks (including pitching another packet of nottingham which didn't help), then racked to the carboy for another month before I finally decided it had been done and bottled.
I just brewed the Midwest Holiday Ale and it sounds pretty similar. It uses cinnamon, nutmeg, and ginger. I kept the cinnamon stick in the primary for 3 and a half weeks and then switched the beer over to secondary (without cinnamon) for another month before bottling.
It's been bottled for about a week and a half now so I'll give it a few more.
Tiamat - how long did it take for your bottles to carbonate? Just so I can get a rough estimation.
Normally I have a few bottles more than 2 cases, which i open after a few days to a week to see how things are progressing. This time I came out with an even 48 bottles, so I didn't have any extra to test.
I bottled on 11/1, and didn't open one until Thanksgiving day (which is what I specifically brewed this batch for). They were carbed just fine by then (but still too sweet).