Variety fit — Utah
Can I grow French Improved Prune 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
| French Improved Prune chill requirement | 800 chill hours |
|---|---|
| Utah average chill (84601) | 1,808 hours (1,313–2,138 across 10 winters) |
| Utah zone (84601) | USDA zone 7a |
Keep checking
Or the same verdict for another region:
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Save this tree in My OrchardQuestions
- Can I grow French Improved Prune plum in Utah?
- Yes — Your zone 7a and typical 1808 chill hours both suit this variety.
Sources
- [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
- [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026
- [3] Dave Wilson Nursery. French Improved Prune — DWN Variety Finder — accessed July 2026