How many chill hours does 21866 get?

21866 averages 1480 chill hours per winter, ranging from 1072 to 1816 across the last 10 years.

What hardiness zone is 21866?

21866 is in USDA hardiness zone 8a.

Location almanac

The short answer

21866 averages 1,480 chill hours per winter (1,072–1,816 across 10 years) in USDA zone 8a.

21866 climate
Average chill hours	1,480 (1,072–1,816 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically February 25 – March 29
First fall frost	typically November 13 – December 20

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 21866’s chill hours and zone:

Chill and zone requirements are comfortably met in 21866.

Show 129 more good fit varieties

How many chill hours does 21866 get?: 21866 averages 1480 chill hours per winter, ranging from 1072 to 1816 across the last 10 years.
What hardiness zone is 21866?: 21866 is in USDA hardiness zone 8a.

Growing fruit trees in 21866? 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