How many chill hours does 28465 get?

28465 averages 588 chill hours per winter, ranging from 382 to 751 across the last 10 years.

What hardiness zone is 28465?

28465 is in USDA hardiness zone 8b.

Location almanac

The short answer

28465 averages 588 chill hours per winter (382–751 across 10 years) in USDA zone 8b.

28465 climate
Average chill hours	588 (382–751 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 31 – March 15
First fall frost	typically December 2 – December 28

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 28465’s chill hours and zone:

Chill and zone requirements are comfortably met in 28465.

Show 71 more good fit varieties

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

Show 2 more marginal varieties

How many chill hours does 28465 get?: 28465 averages 588 chill hours per winter, ranging from 382 to 751 across the last 10 years.
What hardiness zone is 28465?: 28465 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