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Leafy spurge as a feed for sheep^*

North Dakota Agricultural Experiment Station

Abstract

Leafy spurge (Euphorbia virgata) has been known in the United States for over 100 years, according to Hanson and Rudd (1) in their description of its life history and habits. It is found in varying amounts in the northern part of the United States from New England and New York to the west coast and in parts of Canada. Where it has become established, it has proven to be a serious weed because of the difficulty of its eradication.

Only a few of its characteristics can be given here. Hanson and Rudd (1) describe the leafy spurge as " a long-lived perennial herb, somewhat woody at the base, containing milky sap. It grows to a length of 14 to 40 inches. It propagates by means of seeds and roots. Usually it occurs in clumps rather than isolated. Because of the characteristic bluish,green color of the leaves and greenish-yellow color of the flowers, the clumps are conspicious in field or pasture. In the fall, many of the leaves turn to characteristically yellowish or reddish-orange color."

^* The work on the leafy spurge silages was possible through assistance from the Works Progress Administration for North Dakota, Project No. 465-73-3-33.