Yeah, the wildflower meadow, or sometimes I call it the butterfly meadow 'cause if I want to snap some photos of flying flowers that's where there'll be plenty.
I'm always adding a bit of this, and a little of that to it....it's easy, and the rewards are enormous. You just have to be content to allow some grasses and such to grow in there as well....it's impossible to weed that big of an area. I dig out some when I add transplants; otherwise, I just don't sweat it.
I mow mine off once every three years or so, it seems to help for some reason. This year is a mowing year, I believe.