How many chill hours does 03595 get?

03595 averages 1005 chill hours per winter, ranging from 811 to 1291 across the last 10 years.

What hardiness zone is 03595?

03595 is in USDA hardiness zone 4b.

Location almanac

The short answer

03595 averages 1,005 chill hours per winter (811–1,291 across 10 years) in USDA zone 4b.

03595 climate
Average chill hours	1,005 (811–1,291 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 11 – May 28
First fall frost	typically September 27 – October 22

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 03595’s chill hours and zone:

Chill and zone requirements are comfortably met in 03595.

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How many chill hours does 03595 get?: 03595 averages 1005 chill hours per winter, ranging from 811 to 1291 across the last 10 years.
What hardiness zone is 03595?: 03595 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