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Chill hours in 92350

The short answer

92350 averages 538 chill hours per winter (243898 across 10 years) in USDA zone 10a.
92350 climate
Average chill hours538 (243–898 across 10 winters)
USDA hardiness zone10a
Last spring frosttypically January 26 – February 23

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 92350’s chill hours and zone:

Marginal (22)

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

Marginal varieties for this location
VarietyFruit
FlavortopNectarine
HarkoNectarine
IndependenceNectarine
MericrestNectarine
Belle of GeorgiaPeach
ElbertaPeach
FlameprincePeach
FrostPeach
HarvesterPeach
JunegoldPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
D'AnjouPear
Harrow DelightPear
WarrenPear
Blue DamsonPlum
Flavor SupremePlum
French Improved PrunePlum
Green GagePlum
SunburstSweet Cherry
How many chill hours does 92350 get?
92350 averages 538 chill hours per winter, ranging from 243 to 898 across the last 10 years.
What hardiness zone is 92350?
92350 is in USDA hardiness zone 10a.

Growing fruit trees in 92350? Get a care calendar anchored to this exact climate, with email reminders.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026