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Chill hours in 89437

The short answer

89437 averages 1,816 chill hours per winter (1,2232,123 across 10 years) in USDA zone 7b.
89437 climate
Average chill hours1,816 (1,223–2,123 across 10 winters)
USDA hardiness zone7b
Last spring frosttypically April 27 – May 21
First fall frosttypically October 11 – November 3

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 89437’s chill hours and zone:

Good fit (161)

Chill and zone requirements are comfortably met in 89437.

Good fit varieties for this location
VarietyFruit
Acey MacApple
AkaneApple
AnnaApple
Arkansas BlackApple
BraeburnApple
CameoApple
CandyCrispApple
CortlandApple
Cox's Orange PippinApple
CrimsonCrispApple
Dorsett GoldenApple
EarligoldApple
EmpireApple
FortuneApple
FujiApple
GalaApple
Ginger GoldApple
GoldRushApple
Golden DeliciousApple
Golden SupremeApple
Granny SmithApple
GravensteinApple
HoneycrispApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
LodiApple
McIntoshApple
MutsuApple
Show 131 more good fit varieties
How many chill hours does 89437 get?
89437 averages 1816 chill hours per winter, ranging from 1223 to 2123 across the last 10 years.
What hardiness zone is 89437?
89437 is in USDA hardiness zone 7b.

Growing fruit trees in 89437? 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