Pests and weeds can wreak havoc on important greenspaces


(NC) Well-cared-for greenspaces in urban areas help make cities beautiful, encourage biodiversity and contribute to healthy communities, which has been more important than ever during COVID-19 restrictions.

But whether it’s at a neighbourhood park, soccer field or your own backyard, pests and weeds can wreak havoc if not controlled.

One common weed is the dandelion, which multiplies quickly. If you blow the white seeds from one flower, they can spread and start 200 new seed-producing weeds. Another example is ragweed.

Both plants are more than just a nuisance; they can trigger unpleasant allergies for up to 10 per cent of the population.

Grubs are lawn pests that can cause devastation as well. They feed on the roots of a lawn and cause it to turn brown and die. Skunks and birds then pull back the grass to feed on the grubs, causing further damage.

Trees are not spared from insect attacks, either. The emerald ash borer, a wood-boring beetle, has wiped out millions of trees in Canada.

To keep our parks and greenspaces thriving and accessible, pests like ticks, grubs, and gypsy moths must be managed. Pesticides are one, and sometimes the only, option for controlling these threats.

They are designed to control specific pests while leaving non-target species unharmed.

Pesticides come in consumer formulations specifically made for use by homeowners, as well as commercial products designed for use by people with specialized training, like lawncare and landscaping companies.

Before any pest control product can be sold in Canada it must be approved by the federal government. The regulatory process in Canada is among is the most stringent in the world.

Controlling these pests, which can include the use of safe and approved pesticides, helps ensure we will to have parks and greenspaces to enjoy for years to come.


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