How many chill hours does 03301 get?

03301 averages 1520 chill hours per winter, ranging from 1318 to 1792 across the last 10 years.

What hardiness zone is 03301?

03301 is in USDA hardiness zone 5b.

Location almanac

The short answer

03301 averages 1,520 chill hours per winter (1,318–1,792 across 10 years) in USDA zone 5b.

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 03301’s chill hours and zone:

Chill and zone requirements are comfortably met in 03301.

Show 89 more good fit varieties

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

How many chill hours does 03301 get?: 03301 averages 1520 chill hours per winter, ranging from 1318 to 1792 across the last 10 years.
What hardiness zone is 03301?: 03301 is in USDA hardiness zone 5b.

Growing fruit trees in 03301? Save your first tree free and see this month’s care tasks for this climate.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026