How many chill hours does 33837 get?

33837 averages 93 chill hours per winter, ranging from 16 to 170 across the last 10 years.

What hardiness zone is 33837?

33837 is in USDA hardiness zone 10a.

Location almanac

The short answer

33837 averages 93 chill hours per winter (16–170 across 10 years) in USDA zone 10a.

33837 climate
Average chill hours	93 (16–170 across 10 winters)
USDA hardiness zone	10a

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 33837’s chill hours and zone:

Chill and zone requirements are comfortably met in 33837.

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

How many chill hours does 33837 get?: 33837 averages 93 chill hours per winter, ranging from 16 to 170 across the last 10 years.
What hardiness zone is 33837?: 33837 is in USDA hardiness zone 10a.

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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