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Chill hours in 36310

The short answer

36310 averages 600 chill hours per winter (351703 across 10 years) in USDA zone 8b.
36310 climate
Average chill hours600 (351–703 across 10 winters)
USDA hardiness zone8b
Last spring frosttypically January 22 – March 16
First fall frosttypically November 28 – December 19

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 36310’s chill hours and zone:

Marginal (17)

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

Marginal varieties for this location
VarietyFruit
BraeburnApple
GravensteinApple
JonagoldApple
JonathanApple
Red DeliciousApple
HarcotApricot
Wenatchee MoorparkApricot
FlavortopNectarine
IndependenceNectarine
FrostPeach
Flavor SupremePlum
Green GagePlum
BingSweet Cherry
Black TartarianSweet Cherry
RainierSweet Cherry
VanSweet Cherry
Early RichmondTart Cherry
How many chill hours does 36310 get?
36310 averages 600 chill hours per winter, ranging from 351 to 703 across the last 10 years.
What hardiness zone is 36310?
36310 is in USDA hardiness zone 8b.

Growing fruit trees in 36310? 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