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Chill hours in 59730

The short answer

59730 averages 702 chill hours per winter (5111,052 across 10 years) in USDA zone 5a.
59730 climate
Average chill hours702 (511–1,052 across 10 winters)
USDA hardiness zone5a
Last spring frosttypically June 3 – June 30
First fall frosttypically July 1 – August 10

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 59730’s chill hours and zone:

Marginal (36)

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
Belle of GeorgiaPeach
ContenderPeach
CresthavenPeach
ElbertaPeach
FlameprincePeach
HarvesterPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedhavenPeach
RedskinPeach
ReliancePeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
Show 6 more marginal varieties
How many chill hours does 59730 get?
59730 averages 702 chill hours per winter, ranging from 511 to 1052 across the last 10 years.
What hardiness zone is 59730?
59730 is in USDA hardiness zone 5a.

Growing fruit trees in 59730? 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