Medlars - Heard of them?

I just heard of these and I'm thinking I'd enjoy adding one or two to a backyard guild. I'm in zone 8 in West TN. Does anyone in any similar zone have experience with these and want to share some thoughts? I do enjoy eating from my yard but my main goal with my food forest guilds is to create habitat and help birds and wildlife. Of course I'd love everything to be edible, because that's so fun, but I'm not a farmer or trying to do any high level of harvesting - I want to grab what I want and enjoy it, and leave the rest for the critters. This seems like an easy to grow plant which I'd be able to, from time to time in the winter, pull some fruit from and enjoy. I wouldn't want it to "take over" or be hard to control. I'd love it if it was visually appealing as well. Anyone have any experience or pics?