Hi All , I need some info from anyone that's frost seeded before . I want to overseed next year but don't want to tear up the field so I was thinking of frost seeding . What's a good procedure for this fall to prepare the field or is anything special even needed ? The reason is the grass side of my field just hasn't filled in very well and yield is still down below a ton an acre ( about 1500 lbs per acre yesterday ) . Maybe this isn't to bad but it seems like there is a lot of space between plants that could have something growing there . So in addition to how to prepare the field , which grass is the highest yielding ( cool or warm season ) and most palitable for horse hay ? Right now I have a mixture of brome , orchard , perennial rye , bluegrass and a very small amount of timothy . The horses are mixed breeds also - one 28 year old mustang , one blind 12 -14 year old appalosa and three young arabs ( one 2 year old mare , one 7 year old mare ( the mom ) and one 5-6 year old stallion ( the dad ) . The horses all do well over winter on this mix but I'd prefer not to re-seed with that many different types of seed . Remember , this is in the lower central area of the northeast corner of Iowa if that makes a difference . Thanks ! ...Randy