Giant hogweed is often confused for cow parsnip, and other similar looking plants - compare some common lookalikes that get mistaken for giant hogweed below. For crews to use herbicide control, landowners must first sign a property permission form. Coarse, please review this table of giant hogweed look-alikes. LOCATION OF PLANT(S): (include street address, or Growth habit: Giant hogweed grows 10-20 feet tall and has deeply lobed leaves up to 5 feet wide. Giant hogweed is a biennial or perennial herb in the carrot family (Apiaceae) which can grow to 14 feet or more. Giant hogweed (Heracleum mantegazzianum) is a VERY LARGE, invasive plant that can cause painful burns and permanent scarring. Giant hogweed; Himalayan balsam; Rhododendron ponticum; New Zealand pigmyweed (this is banned from sale) You do not have to remove these plants or control them on your land. • The plant material is also classified as ‘controlled waste’ under the Environmental Protection Act 1990. • Giant hogweed was … Giant hogweed is an invasive species. • Giant hogweed is listed under schedule 9 of the Wildlife and Countryside Act 1981. Observer Name * Email * Phone (required if no email address is provided) Date Observed. This species is also on the Washington quarantine list (known as the prohibited plants list) and it is prohibited to transport, buy, sell, offer for sale, or to distribute plants or plant parts, s… Giant hogweed is a Federally listed noxious weed and NYS law prohibits its possession with the intent to sell, import, purchase, transport, introduce or propagate. Nearest Road Intersection (street names or highway numbers): Land Ownership. Please refer to our Health Hazards & Safety Instructions for Giant Hogweed for more information. Other plants that look similar are also shown. Its sap can cause a severe skin reaction known as photo-dermatitis or photo-sensitivity and damage to the eyes. Reports will be followed up by a Massachusetts Department of Agricultural Resources official, and you may be contacted for a site visit if we feel further investigation is necessary. If you inadvertently brush up against any part of giant hogweed, you might notice the ski… If you suspect you may have found giant hogweed you should take photos, note the location, and report the site to NYS DEC via Email, or at the Giant Hogweed Information Line: 1-845-256-3111. Examples below: Report: Email DEC or call the Giant Hogweed Information Line: 845-256-3111. The lower leaves are often 1m more in size and distinctively spiky. The plant will be removed safely and as few seeds as possible will be spread. Photograph: Photos are needed to confirm identification. Public and private landowners are required to control this plant when it occurs on their land. Giant Hogweed Report Use this form to report a possible giant hogweed sighting in Massachusetts. ), PLEASE DESCRIBE THE STEM OR STALK. It has become established in New England, the Mid-Atlantic Region and the Northwest. It is an herbaceous biennial or monocarpic perennial that grows as a low-lying bushy rosette for at least the first year. (width, color, The skin becomes sensitive to sunlight and may blister when exposed. To report a Giant Hogweed sighting, we recommend that you first visit the CIPWG website and compare your suspect plant with the photos and descriptions provided. Giant hogweed is found in moist, sunny areas such as streams, rivers, fields, forests, yards and roadsides. Giant hogweed is a Class A Noxious Weed in Washington State due to its limited distribution in the state and the potential for significant impact to state resources. If you are a property owner with Giant Hogweed on your property you can contact a weed control specialist (look in the yellow pages) for assistance controlling. Report giant hogweed, Nature Conservancy urges about toxic species. town hall, post office, schools and library). (This form is for Massachusetts hogweed sightings only. If you think you have giant hogweed on your property, do NOT touch it. It can reach over 3m (10ft) in height. The skin becomes sensitive to sunlight and may blister when exposed. Date Format: MM slash DD slash YYYY. Before submitting a report, please review this table of giant hogweed look-alikes. NOTE: Giant hogweed has poisonous sap! The plant is part of … Whether that’s by picking up litter or reporting Giant Hogweed sightings, we believe that this is the right thing to do and urge others to do similar. (This form is for Massachusetts hogweed sightings only. Local Concern: Giant hogweed has the potential to harm humans. These plants were brought from Caucasus Mountain region in the early 1900s to be used as a garden plant in New York. Giant hogweed ( Heracleum mantegazzianum ) is a close relative of cow parsley originally from Southern Russia and Georgia. Local Concern: Giant hogweed has the potential to harm humans. In general, root-cutting is used at smaller sites with less than 400 plants, herbicide is used at larger sites with greater than 400 plants and flower/seed head removal is used at all sites to limit seed dispersal. It was introduced to Britain as an ornamental plant in the 19th century, and has also spread to other areas in Western Europe, the United States, and Canada. Giant hogweed is considered invasive and spreads rapidly. Giant Hogweed is classified as an invasive species it is therefore the responsibility of the land owner to prevent the plant spreading to neighbouring land (or into the wild), and removal of plant must be conducted with due care and attention. Yes, PLEASE DESCRIBE THE LEAVES. Please avoid coming into direct contact with the plant when photographing plants or examining a site. Controlling giant hogweed takes persistence and repeated application of control measures. As of 2018, it has been found and controlled in several Maryland counties. About a decade ago, several sites were eradicated and close monitoring shows no return so far. When no more plants are found the site will be monitored for three subsequent years. This is free of charge to the landowner. Giant Hogweed was introduced into the US as an ornamental plant. Giant hogweed, also known by its Latin name Heracleum Mantegazzianum, was first found in southern Russia and Georgia. But the sap of this plant contains chemicals that can cause SEVERE skin rashes. Even minor contact with this plant can cause SEVERE BURNS. Large infestations may need to be controlled with the use of a herbicide such as glyphosate, since Giant Hogweed is a human healt… nearest intersection) Why is it invasive? (size, The Massachusetts Introduced Pests Outreach Project is a collaboration between the Massachusetts Dept. Giant hogweed is on the federal noxious weeds list. Its close relatives, Sosnowsky's hogweed and Persian hogweed, have similarly spread to other parts of Europe. If you have giant hogweed on your property, it is recommended that you hire a professional exterminator to remove it. shape, color, etc. While you may have heard about giant hogweed in the news recently, there are currently no known locations of it in New Hampshire. It may not necessarily express APHIS' views. If you wish to attempt control yourself please refer to the Best Management Practicesand take precautions to protect yourself from the sap. Sites are visited each year until the plants are eradicated. The guide to Best Management Practices for Giant Hogweeddescribes the most effective and environmentally safe control practices for this species. Report Giant Hogweed sighting. - Required, DO YOU OWN THE LAND? Giant hogweed grows along streams and rivers and in fields, forests, yards and roadsides. In 2020, it has been reported in 16 states: Alaska, Connecticut, Illinois, Indiana, Maine, Massachusetts, Michigan, New Jersey, New Mexico, New York, North Carolina, Oregon, Pennsylvania, Vermont, Washington, and Wisconsin.Most of these states only have a handful of counties that have reported giant hogweed sightings, but each … WARNING: The sap of this plant causes chemical burns when activated by the sun. Is the population near a road, hiking trail, picnic area or other frequently used area? Some other plants look very similar. Fine  texture), IF THE STEM HAS HAIRS, ARE THEY FINE OR COARSE? For a site to be visited and controlled, landowners must give annual permission. Its hollow, ridged stems grow 2-4 inches in diameter and have dark reddish-purple blotches. Giant hogweed (Heracleum mantegazzianum) - Poisonous Invader of the Northeast. Its large compound leaves can grow up to 5 feet wide. This includes Japanese knotweed, giant hogweed and Himalayan balsam. Giant hogweed is a native of the Caucasus Mountain region between the Black and Caspian Seas. Immediately wash the affected area thoroughly with soap and water and keep the area away from sunlight for 48 hours. Giant hogweed is native to the western Caucasus region of Eurasia. 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