How many chill hours does 27960 get?

27960 averages 407 chill hours per winter, ranging from 228 to 776 across the last 10 years.

What hardiness zone is 27960?

27960 is in USDA hardiness zone 9a.

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The short answer

27960 averages 407 chill hours per winter (228–776 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 27960’s chill hours and zone:

Chill and zone requirements are comfortably met in 27960.

Show 34 more good fit varieties

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

Show 10 more marginal varieties

How many chill hours does 27960 get?: 27960 averages 407 chill hours per winter, ranging from 228 to 776 across the last 10 years.
What hardiness zone is 27960?: 27960 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