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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. - PowerPoint PPT Presentation
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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
Leaf
• Deeply incised
• Grow up to 5’ in width
Stem
• Reddish purple
Flower
• No flowers until 2nd/3rd year
• Big!
Giant Hogweed
•Likes marginal or disturbed land•Road sides•Ditches•Empty lots•Edge habitat
•Prefers moist soils
•No flowers until 2nd/3rd year
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