One of the things I grow for my ducks is white clover. I use different things to grow it in but basically a top soil in a contain (even some old rubbermaid) throw in some white clover seeds, water, and watch it grow! Then I lay a flat of it in their runs. They go nuts for it.
The fescue we...
You can get a 50 lb bag of fescue for like $29. That way you can replant over and over again. Fescue usually isn't treated with anything. We buy 50 lb bags of it and plant it all the time.
Laurie