How many chill hours does 21612 get?

21612 averages 1632 chill hours per winter, ranging from 1217 to 1957 across the last 10 years.

What hardiness zone is 21612?

21612 is in USDA hardiness zone 8a.

Location almanac

The short answer

21612 averages 1,632 chill hours per winter (1,217–1,957 across 10 years) in USDA zone 8a.

21612 climate
Average chill hours	1,632 (1,217–1,957 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically March 4 – March 29
First fall frost	typically November 11 – December 17

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 21612’s chill hours and zone:

Chill and zone requirements are comfortably met in 21612.

Show 129 more good fit varieties

How many chill hours does 21612 get?: 21612 averages 1632 chill hours per winter, ranging from 1217 to 1957 across the last 10 years.
What hardiness zone is 21612?: 21612 is in USDA hardiness zone 8a.

Growing fruit trees in 21612? Get a care calendar anchored to this exact climate, with email reminders.

[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