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Blue grama grows from 8 to 16 inches and may be found up to two feet tall. It is a grayish-green growing grass that matures into a gray or straw yellow color. It provides good livestock grazing and is a good winter forage grass. Blue grama is somewhat resistant to heavy grazing and does well in a variety of soil types.
(From Range Plants of North Central Texas - A Land user's Guide to Their Identification ,Value and Managment, 2014, by Ricky J. Linex, USDA-Natural Resources Conservation Service.)