How many chill hours does 21824 get?

21824 averages 1614 chill hours per winter, ranging from 1062 to 2054 across the last 10 years.

What hardiness zone is 21824?

21824 is in USDA hardiness zone 8a.

Location almanac

The short answer

21824 averages 1,614 chill hours per winter (1,062–2,054 across 10 years) in USDA zone 8a.

21824 climate
Average chill hours	1,614 (1,062–2,054 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically February 8 – March 29
First fall frost	typically December 12 – December 23

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 21824’s chill hours and zone:

Chill and zone requirements are comfortably met in 21824.

Show 129 more good fit varieties

How many chill hours does 21824 get?: 21824 averages 1614 chill hours per winter, ranging from 1062 to 2054 across the last 10 years.
What hardiness zone is 21824?: 21824 is in USDA hardiness zone 8a.

Growing fruit trees in 21824? 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