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Chill hours in 75938

The short answer

75938 averages 550 chill hours per winter (243645 across 10 years) in USDA zone 9a.
75938 climate
Average chill hours550 (243–645 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 18 – March 6
First fall frosttypically November 12 – December 20

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 75938’s chill hours and zone:

Marginal (6)

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

Marginal varieties for this location
VarietyFruit
MoorparkApricot
Puget GoldApricot
TiltonApricot
JunegoldPeach
ComicePear
WarrenPear
How many chill hours does 75938 get?
75938 averages 550 chill hours per winter, ranging from 243 to 645 across the last 10 years.
What hardiness zone is 75938?
75938 is in USDA hardiness zone 9a.

Growing fruit trees in 75938? Get a care calendar anchored to this exact climate, with email reminders.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026