Skip to content
EveryOrchard
Menu

Variety fit — Manitoba

Can I grow Key Lime in Manitoba?

The verdict

Not recommended

  • Your zone 4a is colder than this variety's hardiness range (zones 8–11); winter cold may damage or kill the tree.

Based on Manitoba’s main growing area (R3C): zone 4a, ~875 chill hours. Your exact site may differ — check your ZIP.

The numbers

Key Lime requirements vs. Manitoba climate
Key Lime hardinessUSDA zones 8–11
Manitoba average chill (R3C)875 hours (579–1,211 across 10 winters)
Manitoba zone (R3C)USDA zone 4a
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 in Manitoba?
Probably not — Your zone 4a 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