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How to Identify Giant Hogweed, the Plant That Can Cause . . . What's 14 feet tall, green, hairy, and covered in toxic sap? It may sound like a monster, but this scary beast is actually giant hogweed, a towering, invasive plant whose sap can cause painful
Heracleum sphondylium - Wikipedia Heracleum sphondylium, commonly known as hogweed or common hogweed, is a herbaceous perennial plant in the carrot family Apiaceae, which includes fennel, cow parsley, ground elder and giant hogweed
Giant Hogweed | Cornell Weed Identification Giant hogweed (Heracleum mantegazzianum) is arguably the most dangerous invasive plant in New York State, as a a significant threat to both human and environmental health Exposure to the sap can cause serious burns for humans and livestock, and giant hogweed also has the capacity to invade natural and disturbed habitats
Giant Hogweed - NYSDEC - New York State Department of . . . Giant hogweed (Heracleum mantegazzianum) is a VERY LARGE, invasive plant that can cause painful burns and scarring Brushing against or breaking the plant releases sap that, combined with sunlight and moisture, can cause a severe burn within 24 to 48 hours
Giant hogweed identification and control - King County Giant hogweed is a toxic perennial (plant that has a life cycle of 2 or more years) that can grow more than 15 feet tall It can easily be confused with the native plant cow parsnip, Heracleum maximum
Hogweed guide: what does it look like and is it dangerous? Hogweed (Heracleum sphondylium) is one of several umbellifers that appear through the summer months, although its size alone sets it apart from most Learn how to identify hogweed using its leaves and flowers with our species guide
Giant Hogweed: How to Identify and Avoid the Invasive Plant Native to the Caucasus Mountains in Eurasia, this plant with innocent-looking white flowers has been reported in over a dozen in recent years, including Pennsylvania, Maine, and Washington
Giant hogweed: how to identify and kill this toxic plant Giant hogweed – as architecturally attractive as it may be – is not a plant that you want in your backyard Originating from the Caucasus Mountains, it was first brought to the US and UK as an ornamental addition to borders However, its harmful nature quickly became apparent
Washington State Noxious Weed Control Board Cow parsnip’s umbel flower clusters are up to 1 foot across, while giant hogweed's umbels can be up to 2 5 feet wide Giant hogweed is almost exclusively found in western Washington, while cow parsnip can be found growing throughout the state