How many chill hours does 23453 get?

23453 averages 1249 chill hours per winter, ranging from 941 to 1641 across the last 10 years.

What hardiness zone is 23453?

23453 is in USDA hardiness zone 8b.

Location almanac

The short answer

23453 averages 1,249 chill hours per winter (941–1,641 across 10 years) in USDA zone 8b.

23453 climate
Average chill hours	1,249 (941–1,641 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 27 – March 29
First fall frost	typically November 21 – December 11

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 23453’s chill hours and zone:

Chill and zone requirements are comfortably met in 23453.

Show 129 more good fit varieties

How many chill hours does 23453 get?: 23453 averages 1249 chill hours per winter, ranging from 941 to 1641 across the last 10 years.
What hardiness zone is 23453?: 23453 is in USDA hardiness zone 8b.

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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