How many chill hours does 21053 get?

21053 averages 1686 chill hours per winter, ranging from 1375 to 1955 across the last 10 years.

What hardiness zone is 21053?

21053 is in USDA hardiness zone 7a.

Location almanac

The short answer

21053 averages 1,686 chill hours per winter (1,375–1,955 across 10 years) in USDA zone 7a.

21053 climate
Average chill hours	1,686 (1,375–1,955 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 27 – April 28
First fall frost	typically November 6 – November 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 21053’s chill hours and zone:

Chill and zone requirements are comfortably met in 21053.

Show 131 more good fit varieties

How many chill hours does 21053 get?: 21053 averages 1686 chill hours per winter, ranging from 1375 to 1955 across the last 10 years.
What hardiness zone is 21053?: 21053 is in USDA hardiness zone 7a.

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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