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Chill hours in 83285

The short answer

83285 averages 758 chill hours per winter (5101,065 across 10 years) in USDA zone 5b.
83285 climate
Average chill hours758 (510–1,065 across 10 winters)
USDA hardiness zone5b
Last spring frosttypically June 11 – June 23
First fall frosttypically August 28 – September 15

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 83285’s chill hours and zone:

Marginal (28)

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

Marginal varieties for this location
VarietyFruit
AkaneApple
CortlandApple
Cox's Orange PippinApple
EmpireApple
HoneycrispApple
LibertyApple
McIntoshApple
Rome BeautyApple
SpartanApple
WealthyApple
WinesapApple
Yellow TransparentApple
GoldcotApricot
HarkoNectarine
MericrestNectarine
ContenderPeach
CresthavenPeach
RedhavenPeach
ReliancePeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
French Improved PrunePlum
Italian PrunePlum
StanleyPlum
LambertSweet Cherry
SunburstSweet Cherry
MeteorTart Cherry
How many chill hours does 83285 get?
83285 averages 758 chill hours per winter, ranging from 510 to 1065 across the last 10 years.
What hardiness zone is 83285?
83285 is in USDA hardiness zone 5b.

Growing fruit trees in 83285? 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