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Giant Hogweed

Giant Hogweed. Giant Hogweed. The giant Hogweed, a very poisonous plant has been found recently in Ontario and Quebec. Newsmedia have reported the plant growing in La Peche (Wakefield) in the Ottawa Valley. This plant is very poisonous and causes severe skin burns and rashes. Giant Hogweed.

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Giant Hogweed

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  1. Giant Hogweed

  2. Giant Hogweed The giant Hogweed, a very poisonous plant has been found recently in Ontario and Quebec. Newsmedia have reported the plant growing in La Peche (Wakefield) in the Ottawa Valley. This plant is very poisonous and causes severe skin burns and rashes.

  3. Giant Hogweed

  4. Giant Hogweed

  5. Giant Hogweed • Leaf • Deeply incised • Grow up to 5’ in width • Stem • Reddish purple • Flower • No flowers until 2nd/3rd year • Big!

  6. Giant Hogweed

  7. Giant Hogweed • Likes marginal or disturbed land • Road sides • Ditches • Empty lots • Edge habitat • Prefers moist soils • No flowers until 2nd/3rd year

  8. Giant Hogweed

  9. Giant Hogweed

  10. Wild Parsnip Leaves

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