Pesticide Ban Failure – Giant Hogweed Has Spread Across The Nation – Prohibition Communities Have Become Weed-Infested & Dangerous Garbage Dumps – 2017 08 09






Giant Hogweed plant that can burn skin, cause blindness spreading in Canada













It can cause third-degree burns and even permanent blindness    and it’s spreading.


Giant Hogweed is cutting a wider swath in British Columbia and Ontario, and the Nature Conservancy of Canada is urging people across the country to document sightings of the towering, three-metre green plant with large umbels of white flowers.


Dan Kraus, a biologist with the conservancy, said the invasive Asian species likely arrived in Canada in the 1940s and can now be found in areas of the Atlantic Provinces and Quebec, and has been spreading in southern Ontario and southern British Columbia.


Nobody’s really sure when it arrived here.  It was probably introduced as an ornamental plant and it is starting to slowly spread,” said Kraus from Guelph, Ontario.


It’s possible people are moving it from garden to garden.  They see it in their aunt’s garden and they think it’s this wonderful plant, and they’re collecting seeds and moving it to another location, which is something we definitely don’t want people to do.”


In 2015, five children in England were reportedly burned in two separate incidents after coming into contact with Giant Hogweed in public parks.


Often mistaken for the similar-looking cow parsnip, it can be seen growing in gardens, along roadsides, in ditches and on the shores of rivers and streams.  Its clear sap can cause blistering third-degree burns and even permanent blindness if it touches the body and is then exposed to the sun, through a phototoxic reaction.


It’s very nasty.  It can cause huge water blisters    almost like boils    that erupt on your skin,” said Todd Boland, a research horticulturist at Memorial University’s Botanical Garden in St.  John’s, Newfoundland.


It may be the next day before you start to see the effects.  That’s the funny thing about this.  It’s not like it’s an instant thing.  It takes awhile and you have to have repeated exposure to the sun.”


But simply touching the plant is not dangerous, Boland stressed.  It’s the sap that is problematic and washing your body and clothes after exposure can prevent the phototoxic reaction.


If you get it in your eye, it can lead to permanent blindness, but that’s pretty rare.  You’d be hard-pressed to get it in your eye unless you were rolling around in the plant,” said Boland, adding that Giant Hogweed can be found in the St. John’s area.


The plant has prompted communities across Canada to issue warnings to residents in recent years.


Guelph, Ontario, has been dealing with Giant Hogweed for about two years and although it is now contained in two locations, eradicating the plant has proven difficult.


In 2015 we removed some plants from one location and the next year we returned to the site and there were no plants, but this year we returned to find plants,” said Timea Filer, an urban forester with the city.  So there appears to be a seed bank and we’ll have to monitor it continually.”


Kraus said there is also a concern about a loss of native biodiversity, as Giant Hogweed is an aggressive plant that can outcompete native plants and spread    especially when it grows near waterways and its seeds are carried downstream.  One plant can produce thousands of seeds and they can stay in the ground for years before germinating.


The conservancy is asking people to document sightings of the invasive plant through apps such as iNaturalist, which helps scientists understand how the plants are spreading and identifies areas in which they need to be eradicated, he said.


We also want to make people aware that they may have a plant in their garden which at some point could spread into a natural area and impact on biodiversity    or have public health impacts,” said Kraus.


Ideally you want to keep invasive plants out, but the next best thing is to detect them early and to remove them before they take over large areas.”


Kraus said Canadians who spot Giant Hogweed should contact local parks officials.








NORAHG Response




The nation’s municipal & provincial prohibitions have inflicted ecological pest disasters leading to dangerous & unattractive garbage dump green spaces in the urban environment.  These prohibitions have created conditions where infra-structures have been damaged, and children & adults have been jeopardized, by invasive noxious plants like Japanese Knotweed & Giant Hogweed.  This is the catastrophic ecological weed carnage that can be expected by any community that considers the imposition of prohibition against conventional weed control products used in the urban landscape.  NO ONE WANTS TO LIVE IN #@!!% DANGEROUS & PEST-INFESTED URBAN LANDSCAPES THAT LOOK LIKE GARBAGE DUMPS ! 


Fortunately, SOME communities have allowed exception statuses for ensuring that green spaces & infra-structures used by residents are safe.  However, this exception is a clear admission that prohibitions will continue to be dismal failures for communities across the nation.  If it is safe for children and adults to walk and play on or near herbicide-treated areas for Giant Hogweed, then why is it not safe for them to walk and play on herbicide-treated lawns ?!?!  This is inconsistent & unfair.  It has been proven that the risk assessment of conventional weed control products indicates that they are scientifically-safe, and, when used properly, will NOT cause harm to children, people, animals, or the environment.  THERE SHOULD BE NO #@!!% EXCEPTION STATUSES WHATSOEVER ! 


For over a decade, observers have predicted with certainty that any prohibition will inflict catastrophic ecological weed carnage.  Here is what the residents of any community that has imposed prohibition can expect, forever         infra-structures will be damaged by dangerous & invasive noxious plants like Japanese Knotweed & GIANT HOGWEED      mature street trees will perish because of uncontrolled insect destruction      municipal & residential properties will be ruined by uncontrolled weed invasion & insect destruction      weeds will invaded lawns, and dandelions will become the dominant ground cover      lawns will be decimated by destructive insects like White Grubs      playing surfaces will become hazardous to children who are at high risk of tripping & becoming seriously hurt      rose plantations will die.  THIS IS THE #@!!% PROHIBITION CARNAGE THAT CAN BE EXPECTED IN ANY COMMUNITY THAT RECKLESSLY & ARBITRARILY IMPOSES PROHIBITION ! 



FACT Municipal Prohibition ARE Failures With Their Thousands Of Exception Statuses LINK


FACT Prohibitions Have Inflicted Ecological Pest Disasters Leading To Dangerous & Unattractive Garbage Dump Green Spaces In The Urban Environment LINKS


FACT With Prohibition, Get Used To Dead Trees & The Sound Of Chain Saws LINK





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