How many chill hours does 75803 get?

75803 averages 697 chill hours per winter, ranging from 337 to 988 across the last 10 years.

What hardiness zone is 75803?

75803 is in USDA hardiness zone 8b.

Location almanac

The short answer

75803 averages 697 chill hours per winter (337–988 across 10 years) in USDA zone 8b.

75803 climate
Average chill hours	697 (337–988 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 28 – March 7
First fall frost	typically November 13 – December 18

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 75803’s chill hours and zone:

Chill and zone requirements are comfortably met in 75803.

Show 79 more good fit varieties

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

Show 18 more marginal varieties

How many chill hours does 75803 get?: 75803 averages 697 chill hours per winter, ranging from 337 to 988 across the last 10 years.
What hardiness zone is 75803?: 75803 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