Perilla mint dangerous to livestock because it causes respiratory distress

As we get into the heat of summer, it is time to be on the lookout for a highly toxic plant, perilla mint, in pastures. Perilla mint is often found in the shaded areas of pastures, particularly along the edges. As a member of the mint family, perilla mint has a distinctive square stem. The leaves are large, broad, serrated, and oppositely arranged with a purplish coloration on the underside of the…