How many chill hours does 85343 get?

85343 averages 318 chill hours per winter, ranging from 185 to 512 across the last 10 years.

What hardiness zone is 85343?

85343 is in USDA hardiness zone 9b.

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The short answer

85343 averages 318 chill hours per winter (185–512 across 10 years) in USDA zone 9b.

85343 climate
Average chill hours	318 (185–512 across 10 winters)
USDA hardiness zone	9b

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 85343’s chill hours and zone:

Chill and zone requirements are comfortably met in 85343.

Show 25 more good fit varieties

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

How many chill hours does 85343 get?: 85343 averages 318 chill hours per winter, ranging from 185 to 512 across the last 10 years.
What hardiness zone is 85343?: 85343 is in USDA hardiness zone 9b.

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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