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Variety fit — California

Can I grow Santa Rosa plum in California?

The verdict

Yes

  • Your zone 9b and typical 1018 chill hours both suit this variety.

Based on California’s main growing area (95820): zone 9b, ~1,018 chill hours. Your exact site may differ — check your ZIP.

The numbers

Santa Rosa requirements vs. California climate
Santa Rosa chill requirement300 chill hours
California average chill (95820)1,018 hours (808–1,470 across 10 winters)
California zone (95820)USDA zone 9b
USDA pomological watercolor of Santa Rosa plum
Prunus salicina: Santa RosaUSDA pomological watercolor, J. Marion Shull, 1935 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

Planting a Santa Rosa in California? Get its care calendar for your exact ZIP code, with email reminders.

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Questions

Can I grow Santa Rosa plum in California?
Yes — Your zone 9b and typical 1018 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. Santa Rosa Plum — DWN Variety Finder — accessed July 2026