Originally Posted by Mark
You've gotten good replies, Really nothing else I can add except maybe grow your own. And also consider pasilla peppers (similar). I grow and smoke dry both. However, smoke dried would be redundant for rubs. Here's a batch I brought to Greg's last bash and stuffed with sausage.
Great advice, and then you can tweak the ingredients and make a much better powder than you can buy! I love comparing my homemade powder with the store bought stuff.