Variety fit — Colorado
Can I grow North Star tart-cherry in Colorado?
The verdict
Yes
- Your zone 7a and typical 1650 chill hours both suit this variety.
Based on Colorado’s main growing area (81501): zone 7a, ~1,650 chill hours. Your exact site may differ — check your ZIP.
The numbers
| North Star chill requirement | 500 chill hours |
|---|---|
| North Star hardiness | USDA zones 4–8 |
| Colorado average chill (81501) | 1,650 hours (1,253–1,821 across 10 winters) |
| Colorado zone (81501) | USDA zone 7a |
Keep checking
Or the same verdict for another region:
Planting a North Star in Colorado? Get its care calendar for your exact ZIP code, with email reminders.
Save this tree in My OrchardQuestions
- Can I grow North Star tart-cherry in Colorado?
- Yes — Your zone 7a and typical 1650 chill hours both suit this variety.
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. Cherries — DWN Variety Finder product list — accessed July 2026
- [4] University of Minnesota (UFOR Nursery & Lab). North Star Sour Cherry — Prunus 'North Star' — accessed July 2026