How many chill hours does 37618 get?

37618 averages 1388 chill hours per winter, ranging from 1172 to 1677 across the last 10 years.

What hardiness zone is 37618?

37618 is in USDA hardiness zone 7b.

Location almanac

The short answer

37618 averages 1,388 chill hours per winter (1,172–1,677 across 10 years) in USDA zone 7b.

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 37618’s chill hours and zone:

Chill and zone requirements are comfortably met in 37618.

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How many chill hours does 37618 get?: 37618 averages 1388 chill hours per winter, ranging from 1172 to 1677 across the last 10 years.
What hardiness zone is 37618?: 37618 is in USDA hardiness zone 7b.

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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