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Variety fit — Hawaii

Can I grow Stanley 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

Stanley requirements vs. Hawaii climate
Stanley chill requirement800 chill hours
Stanley 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 Stanley plum
Prunus domestica: StanleyUSDA pomological watercolor, J. Marion Shull, 1937 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

Questions

Can I grow Stanley 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. Stanley Prune — variety specifications — accessed July 2026