How many chill hours does 33810 get?

33810 averages 137 chill hours per winter, ranging from 68 to 235 across the last 10 years.

What hardiness zone is 33810?

33810 is in USDA hardiness zone 9b.

Location almanac

The short answer

33810 averages 137 chill hours per winter (68–235 across 10 years) in USDA zone 9b.

33810 climate
Average chill hours	137 (68–235 across 10 winters)
USDA hardiness zone	9b

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 33810’s chill hours and zone:

Chill and zone requirements are comfortably met in 33810.

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

How many chill hours does 33810 get?: 33810 averages 137 chill hours per winter, ranging from 68 to 235 across the last 10 years.
What hardiness zone is 33810?: 33810 is in USDA hardiness zone 9b.

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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