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Variety fit — Ontario

Can I grow Royal Ann sweet-cherry in Ontario?

The verdict

Yes

  • Your zone 6b and typical 1677 chill hours both suit this variety.

Based on Ontario’s main growing area (L2R): zone 6b, ~1,677 chill hours. Your exact site may differ — check your ZIP.

The numbers

Royal Ann requirements vs. Ontario climate
Royal Ann chill requirement700 chill hours
Royal Ann hardinessUSDA zones 5–7
Ontario average chill (L2R)1,677 hours (1,342–1,953 across 10 winters)
Ontario zone (L2R)USDA zone 6b
USDA pomological watercolor of Royal Ann sweet cherry
Prunus avium: NapoleonUSDA pomological watercolor, Elsie E. Lower, 1907 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

Planting a Royal Ann in Ontario? Get its care calendar for your exact ZIP code, with email reminders.

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Questions

Can I grow Royal Ann sweet-cherry in Ontario?
Yes — Your zone 6b and typical 1677 chill hours both suit this variety.

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026
  3. [3] Dave Wilson Nursery. Cherries — DWN Variety Finder product list — accessed July 2026