How many chill hours does 18081 get?

18081 averages 1696 chill hours per winter, ranging from 1370 to 1986 across the last 10 years.

What hardiness zone is 18081?

18081 is in USDA hardiness zone 7a.

Location almanac

The short answer

18081 averages 1,696 chill hours per winter (1,370–1,986 across 10 years) in USDA zone 7a.

18081 climate
Average chill hours	1,696 (1,370–1,986 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 30 – April 25
First fall frost	typically November 1 – November 14

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 18081’s chill hours and zone:

Chill and zone requirements are comfortably met in 18081.

Show 131 more good fit varieties

How many chill hours does 18081 get?: 18081 averages 1696 chill hours per winter, ranging from 1370 to 1986 across the last 10 years.
What hardiness zone is 18081?: 18081 is in USDA hardiness zone 7a.

Growing fruit trees in 18081? 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