How many chill hours does 70450 get?

70450 averages 612 chill hours per winter, ranging from 364 to 772 across the last 10 years.

What hardiness zone is 70450?

70450 is in USDA hardiness zone 8b.

Location almanac

The short answer

70450 averages 612 chill hours per winter (364–772 across 10 years) in USDA zone 8b.

70450 climate
Average chill hours	612 (364–772 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 24 – March 13
First fall frost	typically November 15 – December 19

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 70450’s chill hours and zone:

Chill and zone requirements are comfortably met in 70450.

Show 78 more good fit varieties

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

How many chill hours does 70450 get?: 70450 averages 612 chill hours per winter, ranging from 364 to 772 across the last 10 years.
What hardiness zone is 70450?: 70450 is in USDA hardiness zone 8b.

Growing fruit trees in 70450? 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