Ideal for home lawns, athletic fields, and many other applications, our turf-type perennial ryegrass varieties are all bred with improved disease resistance.For dealer and purchase information contact us using our online form. To obtain additional general information visit our resource library. HavenGet a leg up against grey leaf spot and other diseases with Haven. Nexus XDDark green has been redefined in Nexus XD. Nexus XRExtra resistance to disease and traffic are yours with Nexus XR. SignetOur newest grey-leaf spot resistant variety.