I think anything looks better when it's aged -- from vintage clothes to thrift store furniture, right on down to my terra cotta pots. So far I've had decent luck thrifting and filching pots from my grandma that have a nice patina to them. However, there are a handful of Home Depot pots in my yard that drive me crazy. They're too new looking. It's like when you get a brand new pair of shoes and all you want is for them to look worn in. I saw this picture in Living Etc. last weekend and became instantly jealous of this couple's collection of aged terra cotta.
It reminded me that a while back I saw an article in Martha Stewart magazine (to which I do not subscribe... must have been at the dentist) where she highlighted a few different methods, most of which are listed here and one additional method using lime is here. I want to try to tackle this project this weekend and am thinking the fertilizer method sounds the easiest. Yogurt sounds gross and I don't want to do anything that requires sanding because I'm lazy. Hopefully when all is said and done, I'll have pots that look like this: