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Chill hours in 71407

The short answer

71407 averages 641 chill hours per winter (336758 across 10 years) in USDA zone 9a.
71407 climate
Average chill hours641 (336–758 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 19 – March 12
First fall frosttypically November 15 – December 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 71407’s chill hours and zone:

Marginal (20)

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

Marginal varieties for this location
VarietyFruit
GravensteinApple
HarcotApricot
Wenatchee MoorparkApricot
FlavortopNectarine
IndependenceNectarine
Belle of GeorgiaPeach
ElbertaPeach
FlameprincePeach
FrostPeach
HarvesterPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
Flavor SupremePlum
Green GagePlum
Black TartarianSweet Cherry
RainierSweet Cherry
VanSweet Cherry
Early RichmondTart Cherry
How many chill hours does 71407 get?
71407 averages 641 chill hours per winter, ranging from 336 to 758 across the last 10 years.
What hardiness zone is 71407?
71407 is in USDA hardiness zone 9a.

Growing fruit trees in 71407? 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