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Variety fit — Hawaii

Can I grow Italian Prune plum in Hawaii?

The verdict

Not recommended

  • Needs about 800 chill hours; your area averages 0 and tops out near 0.
  • Your zone 12b is warmer than this variety's range (zones 4–9); it may not receive reliable winter chilling.

Based on Hawaii’s main growing area (96813): zone 12b, ~0 chill hours. Your exact site may differ — check your ZIP.

The numbers

Italian Prune requirements vs. Hawaii climate
Italian Prune chill requirement800 chill hours
Italian Prune hardinessUSDA zones 4–9
Hawaii average chill (96813)0 hours (0–0 across 10 winters)
Hawaii zone (96813)USDA zone 12b
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:

Questions

Can I grow Italian Prune plum in Hawaii?
Probably not — Needs about 800 chill hours; your area averages 0 and tops out near 0.

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