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Variety fit — Montana

Can I grow Italian Prune plum in Montana?

The verdict

Yes

  • Your zone 5b and typical 1898 chill hours both suit this variety.

Based on Montana’s main growing area (59801): zone 5b, ~1,898 chill hours. Your exact site may differ — check your ZIP.

The numbers

Italian Prune requirements vs. Montana climate
Italian Prune chill requirement800 chill hours
Italian Prune hardinessUSDA zones 4–9
Montana average chill (59801)1,898 hours (1,270–2,367 across 10 winters)
Montana zone (59801)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 Montana? Get its care calendar for your exact ZIP code, starting with this month’s tasks for one tree, free.

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Questions

Can I grow Italian Prune plum in Montana?
Yes — Your zone 5b and typical 1898 chill hours both suit this variety.

Planting an Italian Prune? Gear that helps

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Before you plantMySoil mail-in soil test kitLab-grade pH and nutrient analysis with amendment recommendations — worth doing before you plant.View on Amazon →First-year wateringTreegator slow-release watering bag20 gallons drips over 5–9 hours — the easiest way to keep a first-year tree consistently watered.View on Amazon →Bark protectionExpandable trunk protectors (5-pack)Stops rabbit, vole, and mower damage on young bark — cheap insurance for a new orchard.View on Amazon →

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