How many chill hours does 18912 get?

18912 averages 1680 chill hours per winter, ranging from 1362 to 1979 across the last 10 years.

What hardiness zone is 18912?

18912 is in USDA hardiness zone 7a.

Location almanac

The short answer

18912 averages 1,680 chill hours per winter (1,362–1,979 across 10 years) in USDA zone 7a.

18912 climate
Average chill hours	1,680 (1,362–1,979 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 30 – April 22
First fall frost	typically November 2 – November 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 18912’s chill hours and zone:

Chill and zone requirements are comfortably met in 18912.

Show 131 more good fit varieties

How many chill hours does 18912 get?: 18912 averages 1680 chill hours per winter, ranging from 1362 to 1979 across the last 10 years.
What hardiness zone is 18912?: 18912 is in USDA hardiness zone 7a.

Growing fruit trees in 18912? 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