Variety fit — Ontario
Can I grow Blenheim apricot in Ontario?
The verdict
Not recommended
- Your zone 6b is colder than this variety's hardiness range (zones 7–9); winter cold may damage or kill the tree.
Based on Ontario’s main growing area (L2R): zone 6b, ~1,677 chill hours. Your exact site may differ — check your ZIP.
The numbers
| Blenheim chill requirement | 400 chill hours |
|---|---|
| Blenheim hardiness | USDA zones 7–9 |
| Ontario average chill (L2R) | 1,677 hours (1,342–1,953 across 10 winters) |
| Ontario zone (L2R) | USDA zone 6b |
Better apricot choices for Ontario
These meet Ontario’s chill hours and zone comfortably:
Keep checking
Or the same verdict for another region:
Questions
- Can I grow Blenheim apricot in Ontario?
- Probably not — Your zone 6b is colder than this variety's hardiness range (zones 7–9); 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. Blenheim (Royal) Apricot — DWN Variety Finder — accessed July 2026