British Columbia: Invasive Plant Regulatory Update, Part 3: Who Owns the Problem

Originally published on the CCIPR’s Facebook group, October 26, 2026 In 2022, Canada pledged to prevent the introduction and spread of invasive species by managing their pathways. For invasive plants, the main pathway is the global horticultural trade. Yet governments at international, national and provincial levels have been reluctant to restrict sales or modernize legislation READ MORE

British Columbia: Invasive Plant Regulatory Update, Part 2: Municipalities Taking the Next Step

Originally published on the CCIPR Facebook group, October 26, 2026 In Part 1, I described BC’s three provincial lists of regulated invasive plants. None of them prohibits the sale of a single invasive plant, and taxpayers pay to pull what gardeners continue to plant. In this post, I look at the municipalities that have decided READ MORE

British Columbia: Invasive Plant Regulatory Update, Part 1: Provincial Laws and the Science Gap

Originally published on the CCIPR Facebook group October 26, 2026 I smiled at a comment on my Alberta and Saskatchewan overview: “TL;DR.”For a Facebook post, I know these are long. I share them as references for those who, like me, want to better understand how we are collectively responding to the invasive species crisis, how READ MORE

Alberta and Saskatchewan: Invasive Plant Regulatory Update, Part 3: Saskatchewan

One incredible find in my review of Saskatchewan legislation was a somewhat tangential visit to Saskacherwan Conservation Data Centre to see what invasive plants were being reported … This handwritten checklist by botanist John Howard Hudson, who passed away in 2023 caught my attention. The field experts able to do this are far and few between. All I can say is wow – much gratitude for this kind of dedication and knowledge.

Alberta and Saskatchewan: Invasive Plant Regulatory Update, Part 2: Alberta

Originally published on the CCIPR Facebook Group, October 2, 2026 In Part 1, I traced some of the shared history of weed regulation in Alberta and Saskatchewan. This post looks at how Alberta regulates invasive plants today. Alberta: two tiers of regulated weeds Alberta’s Weed Control Act (SA 2008, c W-5.1) allows the Minister of READ MORE

Alberta and Saskatchewan: Invasive Plant Regulatory Update, Part 1: Shared Roots

Originally published on the CCIPR Facebook group, October 2, 2026 From Manitoba, we move on to the next two Prairie provinces to see how they regulate invasive plants. Together, Alberta and Saskatchewan account for more than 70% of Canada’s total farm area: 32.0% and 39.2% respectively in the 2021 Census of Agriculture (Statistics Canada, Canadian READ MORE

MANITOBA’S INVASIVE PLANT REGULATIONS

Originally published September 23, 2026 on the CCIPR Facebook group As we continue this series of updates on regulatory progress across Canada, we visit Manitoba, home to the prairie crocus to the south and polar bears to the north. Manitoba has a long history of regulating plants considered injurious to agriculture. In the first session READ MORE