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Variety fit — North Dakota

Can I grow Key Lime in North Dakota?

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 North Dakota’s main growing area (58102): zone 4a, ~1,044 chill hours. Your exact site may differ — check your ZIP.

The numbers

Key Lime requirements vs. North Dakota climate
Key Lime hardinessUSDA zones 8–11
North Dakota average chill (58102)1,044 hours (672–1,336 across 10 winters)
North Dakota zone (58102)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 North Dakota?
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] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026
  3. [3] Four Winds Growers. Mexican Key Lime Tree — product page — accessed July 2026