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Variety fit — British Columbia

Can I grow Key Lime citrus in British Columbia?

The verdict

Not recommended

  • Your zone 7a is colder than this variety's hardiness range (zones 8–11); winter cold may damage or kill the tree.

Based on British Columbia’s main growing area (V1Y): zone 7a, ~2,360 chill hours. Your exact site may differ — check your ZIP.

The numbers

Key Lime requirements vs. British Columbia climate
Key Lime hardinessUSDA zones 8–11
British Columbia average chill (V1Y)2,360 hours (1,639–2,811 across 10 winters)
British Columbia zone (V1Y)USDA zone 7a
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 British Columbia?
Probably not — Your zone 7a 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