The kind of plants you can grow have changed slightly in most regions of Canada according to the federal government’s latest ...

Some gardeners may be able to grow palms and even cold-hardy citrus in parts of Canada, according to the federal government's ...

Why a new plant hardiness map? Part of the reason lies with climate change. Incrementally, we’re getting warmer. The original version was developed by Agriculture and Agri-Food Canada in 1967.

Map developers from USDA and Oregon State University, updated the plant hardiness zoning for half of the country based on 30 years of climate data.

The 2023 map is about 2.5 degrees warmer than the 2012 map, translating into about half of the country shifting to a warmer zone. The new Plant Hardiness Zone Map.

In 2023, the USDA released an updated hardiness zone map in response to the impact of climate change. The updated map indicated a northward shift in the zones, reflecting the changing conditions.