How many chill hours does 39563 get?

39563 averages 362 chill hours per winter, ranging from 165 to 484 across the last 10 years.

What hardiness zone is 39563?

39563 is in USDA hardiness zone 9a.

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The short answer

39563 averages 362 chill hours per winter (165–484 across 10 years) in USDA zone 9a.

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 39563’s chill hours and zone:

Chill and zone requirements are comfortably met in 39563.

Show 26 more good fit varieties

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

How many chill hours does 39563 get?: 39563 averages 362 chill hours per winter, ranging from 165 to 484 across the last 10 years.
What hardiness zone is 39563?: 39563 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