How many chill hours does 06023 get?

06023 averages 1670 chill hours per winter, ranging from 1437 to 1926 across the last 10 years.

What hardiness zone is 06023?

06023 is in USDA hardiness zone 6b.

Location almanac

The short answer

06023 averages 1,670 chill hours per winter (1,437–1,926 across 10 years) in USDA zone 6b.

06023 climate
Average chill hours	1,670 (1,437–1,926 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 4 – April 24
First fall frost	typically November 1 – November 15

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 06023’s chill hours and zone:

Chill and zone requirements are comfortably met in 06023.

Show 126 more good fit varieties

How many chill hours does 06023 get?: 06023 averages 1670 chill hours per winter, ranging from 1437 to 1926 across the last 10 years.
What hardiness zone is 06023?: 06023 is in USDA hardiness zone 6b.

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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