How many chill hours does 25103 get?

25103 averages 1427 chill hours per winter, ranging from 1152 to 1747 across the last 10 years.

What hardiness zone is 25103?

25103 is in USDA hardiness zone 7a.

Location almanac

The short answer

25103 averages 1,427 chill hours per winter (1,152–1,747 across 10 years) in USDA zone 7a.

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 25103’s chill hours and zone:

Chill and zone requirements are comfortably met in 25103.

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How many chill hours does 25103 get?: 25103 averages 1427 chill hours per winter, ranging from 1152 to 1747 across the last 10 years.
What hardiness zone is 25103?: 25103 is in USDA hardiness zone 7a.

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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