Variety fit — Saskatchewan
Can I grow Shiro plum in Saskatchewan?
The verdict
Not recommended
- Your zone 3b is colder than this variety's hardiness range (zones 5–9); winter cold may damage or kill the tree.
Based on Saskatchewan’s main growing area (S7K): zone 3b, ~892 chill hours. Your exact site may differ — check your ZIP.
The numbers
| Shiro chill requirement | 400–500 chill hours |
|---|---|
| Shiro hardiness | USDA zones 5–9 |
| Saskatchewan average chill (S7K) | 892 hours (515–1,300 across 10 winters) |
| Saskatchewan zone (S7K) | USDA zone 3b |
Better plum choices for Saskatchewan
These meet Saskatchewan’s chill hours and zone comfortably:
Keep checking
Or the same verdict for another region:
Questions
- Can I grow Shiro plum in Saskatchewan?
- Probably not — Your zone 3b is colder than this variety's hardiness range (zones 5–9); winter cold may damage or kill the tree.
Sources
- [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
- [2] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026
- [3] Dave Wilson Nursery. Shiro Plum — variety specifications — accessed July 2026