An 80% clipping treatment reduced yields of big sagebrush (Artemisia tridentata) most when applied during July, moderately when applied during spring, and least when applied during late summer through winter months. Three-tip sagebrush (Artemisia tripartita) responded similarly during July, but it was most tolerant to clipping during April and May. During the fall and winter months, three-tip sagebrush appears less tolerant to clipping than big sagebrush.
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Henry A. Wright (1970) studied this question.