How many chill hours does 37073 get?

37073 averages 1264 chill hours per winter, ranging from 1025 to 1585 across the last 10 years.

What hardiness zone is 37073?

37073 is in USDA hardiness zone 7a.

Location almanac

The short answer

37073 averages 1,264 chill hours per winter (1,025–1,585 across 10 years) in USDA zone 7a.

37073 climate
Average chill hours	1,264 (1,025–1,585 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 16 – April 8
First fall frost	typically November 1 – November 22

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 37073’s chill hours and zone:

Chill and zone requirements are comfortably met in 37073.

Show 131 more good fit varieties

How many chill hours does 37073 get?: 37073 averages 1264 chill hours per winter, ranging from 1025 to 1585 across the last 10 years.
What hardiness zone is 37073?: 37073 is in USDA hardiness zone 7a.

Growing fruit trees in 37073? Get a care calendar anchored to this exact climate, with email reminders.

[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