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Arizona
Range Grasses Back to the Table of Contents
Growth habit: A large, coarse perennial bunchgrass
2 to 4 feet tall.
Occurrence Rather common on hillsides at elevations from about 3,500
to 6,500 feet in all counties except Navajo, Greenlee, Maricopa, and
Yuma. It is found most often growing on rocky slopes and ledges in open
stands of oak or pinyon and juniper. Forage Value Because of its coarseness, bullgrass has a low palatability
for all classes of livestock. It is taken most readily by horses and
has almost no value for sheep. Cattle will graze it lightly when growth
is most active but show a distinct preference for other associated grasses.
Bullgrass usually grows on ranges that are grazed during the spring, summer, and fall. As other, more palatable grasses provide most of the forage on these areas, the stocking rate should be designed to maintain these grasses. If use is heavy on bullgrass, the better grasses will be overgrazed.
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Cooperative
Extension,College of Agriculture & Life Sciences, The University of
Arizona