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Variety fit — Louisiana

Can I grow Italian Prune plum in Louisiana?

The verdict

Not recommended

  • Needs about 800 chill hours; your area averages 466 and tops out near 602.

Based on Louisiana’s main growing area (70801): zone 9a, ~466 chill hours. Your exact site may differ — check your ZIP.

The numbers

Italian Prune requirements vs. Louisiana climate
Italian Prune chill requirement800 chill hours
Italian Prune hardinessUSDA zones 4–9
Louisiana average chill (70801)466 hours (236–602 across 10 winters)
Louisiana zone (70801)USDA zone 9a
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

Better plum choices for Louisiana

These meet Louisiana’s chill hours and zone comfortably:

Keep checking

Or the same verdict for another region:

Questions

Can I grow Italian Prune plum in Louisiana?
Probably not — Needs about 800 chill hours; your area averages 466 and tops out near 602.

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