Thank you all. I was going to use the uneaten portions of the round bales of hay my critters won't eat, (recycle) but I have been afraid of the weeds from the million + seeds. So, I think I'll just invest in some straw. I'm all for making things easy. I have 2 square areas I'm going to plant potatoes in. They are 8' x 8' each. Anyone have an idea how many square straw bales I will need? Do you pack it down, or just leave it fluffed?