Poisonous Plant Quiz
right! St. John's-Wort occurs throughout Ontario in pastures,
edges of woodlots, roadsides, abandoned fields, water areas and
occasionally in lawns and lower borders.
Treatment: Avoid pasturing horses where this weed is abundant or keep animals under shade during normal sunny days.
A veterinarian should be consulted immediately for supportive treatment to reduce the damage caused by ingestion of poisonous plants.
For more information:
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