Variety fit — Alaska
Can I grow Jiro persimmon in Alaska?
The verdict
Not recommended
- Your zone 5a is colder than this variety's hardiness range (zones 8–11); winter cold may damage or kill the tree.
Based on Alaska’s main growing area (99645): zone 5a, ~1,031 chill hours. Your exact site may differ — check your ZIP.
The numbers
| Jiro chill requirement | 200 chill hours |
|---|---|
| Jiro hardiness | USDA zones 8–11 |
| Alaska average chill (99645) | 1,031 hours (743–1,368 across 10 winters) |
| Alaska zone (99645) | USDA zone 5a |
Better persimmon choices for Alaska
These meet Alaska’s chill hours and zone comfortably:
Keep checking
Or the same verdict for another region:
Questions
- Can I grow Jiro persimmon in Alaska?
- Probably not — Your zone 5a is colder than this variety's hardiness range (zones 8–11); winter cold may damage or kill the tree.
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] Raintree Nursery. Jiro (Fuyu) Persimmon — variety page — accessed July 2026
- [4] Dave Wilson Nursery. Fuyu (Jiro) Persimmon — DWN Variety Finder — accessed July 2026