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Chill hours in 49503

The short answer

49503 averages 1,597 chill hours per winter (1,239–1,928 across 10 years) in USDA zone 6a.
49503 climate
Average chill hours1,597 (1,239–1,928 across 10 winters)
USDA hardiness zone6a
Last spring frosttypically April 24 – May 9
First fall frosttypically October 18 – November 13

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 49503’s chill hours and zone:

Marginal (16)

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

Marginal varieties for this location
VarietyFruit
TropicSweetApple
FlameprincePeach
FlordacrestPeach
GulfprincePeach
JunegoldPeach
LoringPeach
RedglobePeach
RedskinPeach
TropicBeautyPeach
UFGoldPeach
UFOnePeach
UFSunPeach
MoonglowPear
Green GagePlum
BrooksSweet Cherry
SunburstSweet Cherry
How many chill hours does 49503 get?
49503 averages 1597 chill hours per winter, ranging from 1239 to 1928 across the last 10 years.
What hardiness zone is 49503?
49503 is in USDA hardiness zone 6a.

Growing fruit trees in 49503? Save your first tree free and see this month’s care tasks for this climate.

Save your first tree free

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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