How many chill hours does 70776 get?

70776 averages 415 chill hours per winter, ranging from 199 to 552 across the last 10 years.

What hardiness zone is 70776?

70776 is in USDA hardiness zone 9a.

Location almanac

The short answer

70776 averages 415 chill hours per winter (199–552 across 10 years) in USDA zone 9a.

70776 climate
Average chill hours	415 (199–552 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 19 – March 6
First fall frost	typically November 13 – December 27

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 70776’s chill hours and zone:

Chill and zone requirements are comfortably met in 70776.

Show 34 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 70776 get?: 70776 averages 415 chill hours per winter, ranging from 199 to 552 across the last 10 years.
What hardiness zone is 70776?: 70776 is in USDA hardiness zone 9a.

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[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