Variety fit — Florida
Can I grow French Improved Prune plum in Florida?
The verdict
Not recommended
- Needs about 800 chill hours; your area averages 300 and tops out near 470.
Based on Florida’s main growing area (32601): zone 9a, ~300 chill hours. Your exact site may differ — check your ZIP.
The numbers
| French Improved Prune chill requirement | 800 chill hours |
|---|---|
| Florida average chill (32601) | 300 hours (130–470 across 10 winters) |
| Florida zone (32601) | USDA zone 9a |
Better plum choices for Florida
These meet Florida’s chill hours and zone comfortably:
Keep checking
Or the same verdict for another region:
Questions
- Can I grow French Improved Prune plum in Florida?
- Probably not — Needs about 800 chill hours; your area averages 300 and tops out near 470.
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