How many chill hours does 77871 get?

77871 averages 594 chill hours per winter, ranging from 243 to 825 across the last 10 years.

What hardiness zone is 77871?

77871 is in USDA hardiness zone 9a.

Location almanac

The short answer

77871 averages 594 chill hours per winter (243–825 across 10 years) in USDA zone 9a.

77871 climate
Average chill hours	594 (243–825 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 20 – March 7
First fall frost	typically November 1 – December 19

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 77871’s chill hours and zone:

Chill and zone requirements are comfortably met in 77871.

Show 48 more good fit varieties

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

Show 7 more marginal varieties

How many chill hours does 77871 get?: 77871 averages 594 chill hours per winter, ranging from 243 to 825 across the last 10 years.
What hardiness zone is 77871?: 77871 is in USDA hardiness zone 9a.

Growing fruit trees in 77871? Get a care calendar anchored to this exact climate, with email reminders.

[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