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Chill hours in 93401

The short answer

93401 averages 481 chill hours per winter (251825 across 10 years) in USDA zone 9b.
93401 climate
Average chill hours481 (251–825 across 10 winters)
USDA hardiness zone9b

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 93401’s chill hours and zone:

Marginal (49)

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

Marginal varieties for this location
VarietyFruit
GravensteinApple
MutsuApple
GoldcotApricot
HarcotApricot
MoorparkApricot
Puget GoldApricot
TiltonApricot
TomcotApricot
Wenatchee MoorparkApricot
FantasiaNectarine
FlavortopNectarine
HarkoNectarine
IndependenceNectarine
MericrestNectarine
Belle of GeorgiaPeach
ElbertaPeach
FlameprincePeach
FrostPeach
HarvesterPeach
JunegoldPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
SuncrestPeach
BartlettPear
BoscPear
ComicePear
D'AnjouPear
Harrow DelightPear
Show 19 more marginal varieties
How many chill hours does 93401 get?
93401 averages 481 chill hours per winter, ranging from 251 to 825 across the last 10 years.
What hardiness zone is 93401?
93401 is in USDA hardiness zone 9b.

Growing fruit trees in 93401? 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