Municipal weed spraying begins May 15

Zandbergen photo, Nation Valley News

SDG — Spraying of noxious weeds along pre-selected county and municipal roads is set to begin May 15.

As part of the region’s vegetation management program, the United Counties of SDG, as well as the municipalities of North Dundas, South Dundas, North Stormont, South Stormont and South Glengarry will team up to dose the ditches along pre-selected  roads.

The work should be completed by June 30, according to SDG, although the schedule and progress “greatly depends on the weather conditions during this period.”

“The program which will be undertaken targets unmaintained rural roadsides where the proliferation of these weeds can impact adjacent fields.  The roads that have been selected for treatment are roads with the highest weed pressures,” explained Benjamin de Haan, SDG’s Director of Transportation and Planning Services.

The United Counties government revived the spraying program a few years ago, largely in response to proliferating wild parsnip — also known as poison parsnip for the blistering, skin-burning juice within the plant. The photo-reactive substance in wild parsnip causes injury similar to poison ivy.

However, the main purpose of Ontario’s Weed Control Act is to reduce the impact of noxious weeds on the industries of agriculture and horticulture.

Wild parsnip was deemed a Provincial Noxious Weed in 2015, two years after SDG designated the plant as a Local Noxious Weed.

Information about the local program, roads to be treated, how to erect “no spray” signs and daily updates can be found on the Counties’ website at


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