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Variety fit — Idaho

Can I grow Italian Prune plum in Idaho?

The verdict

Yes

  • Your zone 7a and typical 1809 chill hours both suit this variety.

Based on Idaho’s main growing area (83702): zone 7a, ~1,809 chill hours. Your exact site may differ — check your ZIP.

The numbers

Italian Prune requirements vs. Idaho climate
Italian Prune chill requirement800 chill hours
Italian Prune hardinessUSDA zones 4–9
Idaho average chill (83702)1,809 hours (1,473–2,224 across 10 winters)
Idaho zone (83702)USDA zone 7a
USDA pomological watercolor of Italian Prune plum
Prunus domestica: Italian PruneUSDA pomological watercolor, L.C.C. (Louis Charles Christopher) Krieger, 1939 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

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Questions

Can I grow Italian Prune plum in Idaho?
Yes — Your zone 7a and typical 1809 chill hours both suit this variety.

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] Dave Wilson Nursery. Italian Prune — variety specifications — accessed July 2026