How many chill hours does 39743 get?

39743 averages 891 chill hours per winter, ranging from 620 to 1065 across the last 10 years.

What hardiness zone is 39743?

39743 is in USDA hardiness zone 8b.

Location almanac

The short answer

39743 averages 891 chill hours per winter (620–1,065 across 10 years) in USDA zone 8b.

39743 climate
Average chill hours	891 (620–1,065 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 14 – March 20
First fall frost	typically November 13 – December 2

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 39743’s chill hours and zone:

Chill and zone requirements are comfortably met in 39743.

Show 123 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 39743 get?: 39743 averages 891 chill hours per winter, ranging from 620 to 1065 across the last 10 years.
What hardiness zone is 39743?: 39743 is in USDA hardiness zone 8b.

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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