Perennial ryegrass is grown for turf or forage seed on a broad range of soils in western Oregon. All perennial ryegrass varieties are similar in their nutrient requirements. Typical seed yield is between 1,400 and 1,800 lb/acre.
Higher seed yields (up to 2,500 lb/acre) may be produced on better soils,...
Three types of fine fescue—Chewings, red, and hard— are typically grown for turf seed on Jory or Nekia soils in the foothills of the Willamette Valley. Recommendations in this guide assume production in this setting and are based on research from large and small plots throughout the area. During the...
Annual ryegrass varieties such as ‘Gulf’ are grown for seed on poorly drained soils of the south Willamette Valley, including Dayton, Concord, and Bashaw. Recommendations in this guide are based on research throughout this production area. Management practices from seedbed preparation to harvest must be performed in an appropriate and...