https://uswheat.org/crop-and-quality/hard-red-spring/
Oct 22, 2025 - Grown primarily in the North Central region, U.S. hard red spring (HRS) is the second-largest class of U.S. wheat.
red springharduwheatassociates
https://www.uidaho.edu/extension/publications/bul-0986
This two-page fact sheet offers recommendations for growing hard spring wheat in southern Idaho, with pointers or information on growth and development,...
southern idahospring wheathardquickfacts