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Chill hours in 66605

The short answer

66605 averages 1,409 chill hours per winter (1,2021,751 across 10 years) in USDA zone 6b.
66605 climate
Average chill hours1,409 (1,202–1,751 across 10 winters)
USDA hardiness zone6b
Last spring frosttypically March 26 – April 16
First fall frosttypically October 18 – November 21

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 66605’s chill hours and zone:

Good fit (156)

Chill and zone requirements are comfortably met in 66605.

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
IdaredApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
LodiApple
McIntoshApple
Show 126 more good fit varieties
How many chill hours does 66605 get?
66605 averages 1409 chill hours per winter, ranging from 1202 to 1751 across the last 10 years.
What hardiness zone is 66605?
66605 is in USDA hardiness zone 6b.

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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