[RoyalOaksRanch]

I'm buying a property that has a hay field in zone 3. How do you grow hay? Do you have to put down seeds every year or does it come back on it's own like grass?

Depends on what type of hay your growing, Oat hay is reseeded each yr, where as alfalfa stays. Check with your local ag extension. Youll also need to have the equipment, or pay someone to do all the work... Not to mention the water, some crops take more than others...