How many chill hours does 36305 get?

36305 averages 542 chill hours per winter, ranging from 325 to 668 across the last 10 years.

What hardiness zone is 36305?

36305 is in USDA hardiness zone 9a.

Location almanac

The short answer

36305 averages 542 chill hours per winter (325–668 across 10 years) in USDA zone 9a.

36305 climate
Average chill hours	542 (325–668 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 19 – March 13
First fall frost	typically November 13 – December 10

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 36305’s chill hours and zone:

Chill and zone requirements are comfortably met in 36305.

Show 48 more good fit varieties

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

How many chill hours does 36305 get?: 36305 averages 542 chill hours per winter, ranging from 325 to 668 across the last 10 years.
What hardiness zone is 36305?: 36305 is in USDA hardiness zone 9a.

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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