Report ragweed on public property

Last updated October 30, 2019

Have you noticed ragweed on public property in your borough? By telling us about it, you can help us stop it from spreading. Find out how here.

Is it really ragweed?

Make sure it is. If so, you can report it at your borough’s service point.

Read: How to recognize ragweed and get rid of it

Communication channels

By phone

311

Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.