How many chill hours does 37338 get?

37338 averages 1368 chill hours per winter, ranging from 1136 to 1768 across the last 10 years.

What hardiness zone is 37338?

37338 is in USDA hardiness zone 7b.

Location almanac

The short answer

37338 averages 1,368 chill hours per winter (1,136–1,768 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 37338’s chill hours and zone:

Chill and zone requirements are comfortably met in 37338.

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How many chill hours does 37338 get?: 37338 averages 1368 chill hours per winter, ranging from 1136 to 1768 across the last 10 years.
What hardiness zone is 37338?: 37338 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