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Variety fit — Wisconsin

Can I grow Italian Prune plum in Wisconsin?

The verdict

Yes

  • Your zone 5b and typical 1415 chill hours both suit this variety.

Based on Wisconsin’s main growing area (53703): zone 5b, ~1,415 chill hours. Your exact site may differ — check your ZIP.

The numbers

Italian Prune requirements vs. Wisconsin climate
Italian Prune chill requirement800 chill hours
Italian Prune hardinessUSDA zones 4–9
Wisconsin average chill (53703)1,415 hours (1,203–1,760 across 10 winters)
Wisconsin zone (53703)USDA zone 5b
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:

Planting an Italian Prune in Wisconsin? Get its care calendar for your exact ZIP code, with email reminders.

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Questions

Can I grow Italian Prune plum in Wisconsin?
Yes — Your zone 5b and typical 1415 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