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Variety fit — Ontario

Can I grow Italian Prune plum in Ontario?

The verdict

Yes

  • Your zone 6b and typical 1677 chill hours both suit this variety.

Based on Ontario’s main growing area (L2R): zone 6b, ~1,677 chill hours. Your exact site may differ — check your ZIP.

The numbers

Italian Prune requirements vs. Ontario climate
Italian Prune chill requirement800 chill hours
Italian Prune hardinessUSDA zones 4–9
Ontario average chill (L2R)1,677 hours (1,342–1,953 across 10 winters)
Ontario zone (L2R)USDA zone 6b
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 Ontario? Get its care calendar for your exact ZIP code, with email reminders.

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Questions

Can I grow Italian Prune plum in Ontario?
Yes — Your zone 6b and typical 1677 chill hours both suit this variety.

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