Parentally Alfalfa has more calcium than Timothy hay... There are mainly two common types of hays, legumes and grass hays. Timothy hay is an example of grass hay and Alfalfa is legume hay. As a crop...
Hay is dried grass. Straw is the dried stalks of harvested cereals, such as wheat, barley and oats.
Straw is the dry stalks of crops such as barley and wheat. Hay is grass or legumes that have been...
well generally a feed store will provide hay for you to buy, but if you mean where does it grow, then its generally a crop that can be grown/ found on a farm.