The purpose of this manual is to provide detailed information on seed production of native grasses indigenous to the northern Great Plains region of North America. It also includes seed production techniques for a selected number of native forbs as well as seed production information for several native grass species from the foothill and intermountain regions of western North America. This edition also contains a supplemental section "Important Introduced Grasses of the Great Plains". It also covers the topics: Economics of Native Grass Production; Guidelines for Individual Species Seed Production; Seeding Rates Harvest; Planting Dates Precleaning Treatment / Storage; Row Spacing Processing; Weed Control Seed Yields; Fertilization Post Harvest Management; Irrigation Expected Productive Stand Life.