Soil and Biodiversity

To date, the City of Brossard has protected over 13.2% of the municipality, placing it among the leaders when it comes to the conservation of natural areas. Preserving such areas helps to maintain a high level of biodiversity, ranging from the bacteria found in ecosystems to various species of plants and animals. The biodiversity comprised by this mixture of organisms helps nature protect itself from disruptions and adapt to the various changes that it undergoes.
By protecting natural areas, the City is ensuring that it will continue to benefit from the ecosystem services* provided by nature and, by the same token, supporting residents’ well-being. What’s more, this issue is aligned with the goal of maintaining a healthy, safe urban environment for everyone, which is a priority for the City.  
*Ecosystem services: Results arising from various ecological processes that occur within an ecosystem and benefit people either directly or indirectly. They fall into four distinct categories:
  • Regulating services: climate regulation, water and air purification, etc.
  • Provisioning services: fresh water, food, fuel, etc.
  • Ontogenetic services (relating to the development of children): personal growth, etc.
  • Cultural services: recreational and tourist activities, sense of belonging, etc.

Actions completed or currently being carried out:
  • Continuing negotiations to acquire natural areas in conservation zones
  • Developing a profile of all natural areas located within Brossard
  • Distributing free plants to residents as part of National Tree Day, in order to maximize greening, help prevent the formation of urban heat islands and improve ambient air quality
  • Developing a Tree Policy to increase forest cover across Brossard
  • Regulating the use of pesticides

Urban Forestry

Brossard and its citizens have been working to green the city for half a century, and some trees are now older than many of our residents. To learn more, consult our Tree Policy in the right-hand margin.

Under the municipal by-law in effect, it is prohibited to cut down any tree whose diameter is 10 cm or more, measured at 1.3 m from the ground without a relevant permit of the City. The regulation applies to all trees located on a property. Cutting down a tree without permission could result in a minimum fine of $ 600.



Pollarding, topping and setting back are actions that involve reducing the height of a tree to some extent by cutting its crown (the highest part of the tree).

These actions are associated with:
  • an increase in the risk of broken branches
  • a decrease in natural resistance to disease and insects
  • decay (rotting of exposed woody tissue)
  • heat stroke (reaction caused by strong exposure to the sun)
  • an increase in maintenance costs
  • a decrease in the assessed value of the property
In addition to beautifying property and increasing its value, trees:
  • purify the air we breathe and absorb greenhouse gases as well as atmosphere particulate matter
  • help to prevent urban heat islands by creating areas of fresh air
  • create a natural screen that reduces the impact of noise and wind
  • absorb significant quantities of rainwater, thereby reducing the risk of overflow and flooding
  • shelter and provide food for a variety of bird and insect species
  • improve quality of life through their beauty and the feeling of tranquility they evoke.

Help us to protect our trees!

  • Call a specialist when you have specific trimming needs.
  • Do not trim more than 20% of the branches when a trim is needed.
  • Preserve the tree’s natural shape.
For more information about urban forestry, consult the “Urban Forestry” document under Useful Documents in the right-hand margin.

Information: 450-923-6311 or Services Brossard


Natural Habitats

Great News!
Brossard has received a Conscientia Environment and Sustainability Award of Excellence from the Montérégie Regional Environmental Council in the “Conservation and Enhancement of Natural Habitats” category for its Natural Habitats Management Master Plan.
Natural habitats, in addition to benefiting animal and plant species, improve residents’ quality of life. Protecting them should be a priority for the entire community.

Following the development of the Urban Agglomeration of Longueuil’s Policy on the Protection and Enhancement of Natural Habitats, the City of Brossard has begun taking steps to acquire the sites targeted in the conservation plan. 

In 2011, the City of Brossard and Nature-Action Québec acquired 230 hectares of land located in the Bois de Brossard in order to protect it in perpetuity. This area was added to the 289 hectares that the City already owned in the Bois de Brossard. The protected zone therefore now totals 519 hectares, which is equivalent to 11.48% of the City’s total area and one of the largest protected natural habitats in the Montérégie area.

In September 2014, the City adopted the Natural Habitat Management Master Plan. Brossard is the first city in the Montérégie area to introduce such a comprehensive initiative, which offers an overall plan for managing natural habitats within its territory. The plan’s goal is to preserve biodiversity and ensure the survival of ecosystems, as well as facilitating residents’ access to woods and waterways, thereby enabling them to observe and discover nature. 

Natural Habitat Management Master Plan

A summary of the plan is available in the “Useful Links” section, along with a map of conservation areas.

Photo: Least bittern (credit: Dominic Gendron)

Eco-Friendly Gardens


Grasscyling means leaving mown or trimmed grass clippings to decompose on your lawn. It’s a simple, economical and eco-friendly action that anyone can do. 

You’ll save time and save money on fertilizer costs. Discover the basics of grasscycling and how to care for your lawn throughout the year by downloading the documents in the right-hand margin.

Pest Management Tips

Access relevant tips from the Pest Management Regulatory Agency by clicking the link in the right-hand margin.