How many chill hours does 21853 get?

21853 averages 1443 chill hours per winter, ranging from 1080 to 1708 across the last 10 years.

What hardiness zone is 21853?

21853 is in USDA hardiness zone 7b.

Location almanac

The short answer

21853 averages 1,443 chill hours per winter (1,080–1,708 across 10 years) in USDA zone 7b.

21853 climate
Average chill hours	1,443 (1,080–1,708 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 7 – March 30
First fall frost	typically November 11 – December 1

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 21853’s chill hours and zone:

Chill and zone requirements are comfortably met in 21853.

Show 131 more good fit varieties

How many chill hours does 21853 get?: 21853 averages 1443 chill hours per winter, ranging from 1080 to 1708 across the last 10 years.
What hardiness zone is 21853?: 21853 is in USDA hardiness zone 7b.

Growing fruit trees in 21853? 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