Giant Hogweed Plant Anyone who comes in contact with the plant should wash the affected area of their skin with soap and water and keep out of the sunlight for 48 hours, since the effects develop over several days.
Warning: If you see this plant, DO NOT TOUCH IT!!!
DANGER!! The plant is commonly known as Giant Hogweed, (Heracleum Mantegazzianum), but you might know it as cartwheel-flower, giant cow parsnip, cow parsley, hogsbane, wild parsnip or wild rhurbarb, but this plant is no friend. Be aware this plant is in the USA and IS spreading rapidly.
Giant Hogweed Plant May Cause Blindness - According to the U.S. Department of Agriculture, contact with the poisonous weed causes severe skin and eye irritation and may result in blindness and permanent scarring in people sensitive to the plant's toxic sap...
Officials in Canada and the U.S. are warning residents not to touch giant hogweed plants, which have been popping up in large numbers in both countries. When combined with sunlight, sap from the plants can cause extreme skin irritation, temporary or permanent blindness and scarring.