Citrus trees in Canada? New plant hardiness map shows shift in growing zones

With climate change, it's more likely than you think

Some gardeners may be able to grow palms and even cold-hardy citrus in parts of Canada, according to the federal government's latest Plant Hardiness Zones map — the first update since 2014.

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The plant hardiness zones come with accompanying species-specific models, which provide much more in-depth information for specific plants or treesmThe models look at how specific plants would do under different climate change scenarios.