How many chill hours does 03777 get?

03777 averages 1116 chill hours per winter, ranging from 877 to 1557 across the last 10 years.

What hardiness zone is 03777?

03777 is in USDA hardiness zone 5a.

Location almanac

The short answer

03777 averages 1,116 chill hours per winter (877–1,557 across 10 years) in USDA zone 5a.

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 03777’s chill hours and zone:

Chill and zone requirements are comfortably met in 03777.

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How many chill hours does 03777 get?: 03777 averages 1116 chill hours per winter, ranging from 877 to 1557 across the last 10 years.
What hardiness zone is 03777?: 03777 is in USDA hardiness zone 5a.

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[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