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Variety fit — Quebec

Can I grow Key Lime citrus in Quebec?

The verdict

Not recommended

  • Your zone 5a is colder than this variety's hardiness range (zones 8–11); winter cold may damage or kill the tree.

Based on Quebec’s main growing area (J0J): zone 5a, ~1,364 chill hours. Your exact site may differ — check your ZIP.

The numbers

Key Lime requirements vs. Quebec climate
Key Lime hardinessUSDA zones 8–11
Quebec average chill (J0J)1,364 hours (1,092–1,664 across 10 winters)
Quebec zone (J0J)USDA zone 5a
USDA pomological watercolor of Key Lime citrus
Citrus aurantiifolia: KeyUSDA pomological watercolor, Mary Daisy Arnold, 1916 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

Questions

Can I grow Key Lime citrus in Quebec?
Probably not — Your zone 5a is colder than this variety's hardiness range (zones 8–11); winter cold may damage or kill the tree.

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026
  3. [3] Four Winds Growers. Mexican Key Lime Tree — product page — accessed July 2026