How many chill hours does 75691 get?

75691 averages 726 chill hours per winter, ranging from 365 to 1025 across the last 10 years.

What hardiness zone is 75691?

75691 is in USDA hardiness zone 8b.

Location almanac

The short answer

75691 averages 726 chill hours per winter (365–1,025 across 10 years) in USDA zone 8b.

75691 climate
Average chill hours	726 (365–1,025 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 5 – March 7
First fall frost	typically November 12 – December 22

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 75691’s chill hours and zone:

Chill and zone requirements are comfortably met in 75691.

Show 95 more good fit varieties

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

Show 4 more marginal varieties

How many chill hours does 75691 get?: 75691 averages 726 chill hours per winter, ranging from 365 to 1025 across the last 10 years.
What hardiness zone is 75691?: 75691 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