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Variety fit — Utah

Can I grow Shiro plum in Utah?

The verdict

Yes

  • Your zone 7a and typical 1808 chill hours both suit this variety.

Based on Utah’s main growing area (84601): zone 7a, ~1,808 chill hours. Your exact site may differ — check your ZIP.

The numbers

Shiro requirements vs. Utah climate
Shiro chill requirement400–500 chill hours
Shiro hardinessUSDA zones 5–9
Utah average chill (84601)1,808 hours (1,313–2,138 across 10 winters)
Utah zone (84601)USDA zone 7a
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 Utah?
Yes — Your zone 7a and typical 1808 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