How many chill hours does 03598 get?

03598 averages 1329 chill hours per winter, ranging from 1100 to 1757 across the last 10 years.

What hardiness zone is 03598?

03598 is in USDA hardiness zone 4b.

Location almanac

The short answer

03598 averages 1,329 chill hours per winter (1,100–1,757 across 10 years) in USDA zone 4b.

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 03598’s chill hours and zone:

Chill and zone requirements are comfortably met in 03598.

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How many chill hours does 03598 get?: 03598 averages 1329 chill hours per winter, ranging from 1100 to 1757 across the last 10 years.
What hardiness zone is 03598?: 03598 is in USDA hardiness zone 4b.

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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