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Variety fit — Arizona

Can I grow Shiro plum in Arizona?

The verdict

Yes

  • Your zone 9b and typical 522 chill hours both suit this variety.

Based on Arizona’s main growing area (85701): zone 9b, ~522 chill hours. Your exact site may differ — check your ZIP.

The numbers

Shiro requirements vs. Arizona climate
Shiro chill requirement400–500 chill hours
Shiro hardinessUSDA zones 5–9
Arizona average chill (85701)522 hours (267–731 across 10 winters)
Arizona zone (85701)USDA zone 9b
USDA pomological watercolor of Shiro plum
Prunus salicina: ShiroUSDA pomological watercolor, Mary Daisy Arnold, 1911 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

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Questions

Can I grow Shiro plum in Arizona?
Yes — Your zone 9b and typical 522 chill hours both suit this variety.

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. Shiro Plum — variety specifications — accessed July 2026