How many chill hours does 97733 get?

97733 averages 1998 chill hours per winter, ranging from 1412 to 2310 across the last 10 years.

What hardiness zone is 97733?

97733 is in USDA hardiness zone 6b.

Location almanac

The short answer

97733 averages 1,998 chill hours per winter (1,412–2,310 across 10 years) in USDA zone 6b.

97733 climate
Average chill hours	1,998 (1,412–2,310 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically May 28 – June 18
First fall frost	typically September 29 – October 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 97733’s chill hours and zone:

Chill and zone requirements are comfortably met in 97733.

Show 126 more good fit varieties

How many chill hours does 97733 get?: 97733 averages 1998 chill hours per winter, ranging from 1412 to 2310 across the last 10 years.
What hardiness zone is 97733?: 97733 is in USDA hardiness zone 6b.

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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