Add clover and plantain. Makes roots in the air to breath in waterlogged soils. Talk to us about safe tall fescue and low consumption forages such as timothy and Santiam Velvetgrass. Horses tend to overeat given freedom to do so. Plantain and Santiam can restrict their uptake.
Clover is good for horses too.
The best grass for horses is one that actually grows well on your farm. 1998-99 Cascade International Seed Co. 8483 W. Stayton Rd.