Originally Posted by Fathand
I just added mulling spice to a Fezziwig clone and I added the spice at flame out. After tasting it I wish I would have added it earlier to allow it to boil a bit with the wort. I have a feeling if I would have done so, the spice taste would be more prevalent. Right now it is very subtle and I fear that in a month the spice taste will be completely lost/gone.
Actually, with a longer boil, you would have had the opposite. All your aromas would be lost with the boil, and the taste wouldn't be great either. I think the best spot for spices is at bottling so you can tweak it exactly how you like.