blue grama
noun
: a low-growing perennial grama (Bouteloua gracilis) having slender curly leaves that is an important forage grass especially in the Great Plains
Example Sentences
Recent Examples on the Web Replace your lawn with buffalo grass (Buchloe dactyloides), blue grama grass (Bouteloua gracilis), or purple three-awn grass (Aristida purpurea). 
Nan Sterman, San Diego Union-Tribune, 4 June 2022 The window to fertilize warm-season grasses (Buffalo, blue grama and Bermuda) is now through early August. Betty Cahill, The Denver Post, 11 June 2019
Nan Sterman, San Diego Union-Tribune, 4 June 2022 The window to fertilize warm-season grasses (Buffalo, blue grama and Bermuda) is now through early August. Betty Cahill, The Denver Post, 11 June 2019 Word History
First Known Use
1858, in the meaning defined above