How many chill hours does 21679 get?

21679 averages 1590 chill hours per winter, ranging from 1225 to 1843 across the last 10 years.

What hardiness zone is 21679?

21679 is in USDA hardiness zone 7b.

Location almanac

The short answer

21679 averages 1,590 chill hours per winter (1,225–1,843 across 10 years) in USDA zone 7b.

21679 climate
Average chill hours	1,590 (1,225–1,843 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 6 – 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 21679’s chill hours and zone:

Chill and zone requirements are comfortably met in 21679.

Show 131 more good fit varieties

How many chill hours does 21679 get?: 21679 averages 1590 chill hours per winter, ranging from 1225 to 1843 across the last 10 years.
What hardiness zone is 21679?: 21679 is in USDA hardiness zone 7b.

Growing fruit trees in 21679? 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