Orchard grass is more tolerant to warmer weather. Most grass hay is high in fiber, but low in protein and the essential amino acid lysine. Some areas are not good candidates for growing this product. Orchard grass is a flat leat bladed pernnial grass. Orchard grass is high in fiber, and low in protein. It is made up of 7% Crude Protein, 1.50% Crude Fat and 32% Crude Fiber.