The best replacement for ryegrass is fescue.

The best alternatives to ryegrass are rated as following:
★★★★★  fescue
★★★★★  bluegrass
★★★  tall fescue
★★  annual ryegrass
★  perennial ryegrass
★  rye grain
★  rye
★  kentucky bluegrass
★  fescue grass
  winter ryegrass
  winter rye
  no ryegrass

Your alternative for ryegrass is not listed? Suggest!
Speaking about ryegrass, one probably shouldn't forget about bermuda grass.

Other search terms related to ryegrass and their ratings are:
★★★★★ bermuda grass
You have in mind a companion for ryegrass and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ryegrass in all years. Click on graph for more.
ryegrass
fescue
bluegrass