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OSU Extension

College of Food, Agricultural, and Environmental Sciences

October 8, 2018 - 10:21am -- Anonymous

Every spring we see articles about cressleaf groundsel and poison hemlock in hay fields and/or pastures.  Both of these plants are poisonous and seem to be increasing in our area.  In some cases, hay has been discarded to avoid potential livestock poisonings.  Cressleaf groundsel is a winter annual and poison hemlock is a biennial.  Both of these weeds are best controlled in the fall of the year (October is a good month), when plants are in the rosette stage of growth.  Take time now to scout hay fields and pastures, especially if there is a history of either of these weeds being a problem.  For information about specific herbicide recommendations as well as precautions and restrictions, contact the Wayne County Extension office at 330-264-8722.