How many chill hours does 87109 get?

87109 averages 1620 chill hours per winter, ranging from 1367 to 1822 across the last 10 years.

What hardiness zone is 87109?

87109 is in USDA hardiness zone 7b.

Location almanac

The short answer

87109 averages 1,620 chill hours per winter (1,367–1,822 across 10 years) in USDA zone 7b.

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 87109’s chill hours and zone:

Chill and zone requirements are comfortably met in 87109.

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How many chill hours does 87109 get?: 87109 averages 1620 chill hours per winter, ranging from 1367 to 1822 across the last 10 years.
What hardiness zone is 87109?: 87109 is in USDA hardiness zone 7b.

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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