How many chill hours does 13021 get?

13021 averages 1579 chill hours per winter, ranging from 1357 to 1840 across the last 10 years.

What hardiness zone is 13021?

13021 is in USDA hardiness zone 6a.

Location almanac

The short answer

13021 averages 1,579 chill hours per winter (1,357–1,840 across 10 years) in USDA zone 6a.

13021 climate
Average chill hours	1,579 (1,357–1,840 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically April 9 – April 30
First fall frost	typically November 1 – November 16

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 13021’s chill hours and zone:

Chill and zone requirements are comfortably met in 13021.

Show 126 more good fit varieties

How many chill hours does 13021 get?: 13021 averages 1579 chill hours per winter, ranging from 1357 to 1840 across the last 10 years.
What hardiness zone is 13021?: 13021 is in USDA hardiness zone 6a.

Growing fruit trees in 13021? 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