Tall fescue is a grass, which grows on approximately 35 million acres of land in the United States.
There are said to be as many as 700,000 horses may graze fescue pastures or be fed fescue hay each year.
It is an extremely hardy, well-adapted grass species used for hay and pasture in the central and eastern United States and the Pacific Northwest. (source)
Can Guinea Pigs Eat Fescue Hay?
It is not the best hay for them, it is far better to give them timothy or meadow hay.
For more foods that guinea pigs can and can’t eat, check out our guinea pig food list