How many chill hours does 77453 get?

77453 averages 347 chill hours per winter, ranging from 137 to 469 across the last 10 years.

What hardiness zone is 77453?

77453 is in USDA hardiness zone 9b.

Location almanac

The short answer

77453 averages 347 chill hours per winter (137–469 across 10 years) in USDA zone 9b.

77453 climate
Average chill hours	347 (137–469 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 8 – February 20
First fall frost	typically November 13 – December 23

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 77453’s chill hours and zone:

Chill and zone requirements are comfortably met in 77453.

Show 25 more good fit varieties

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

How many chill hours does 77453 get?: 77453 averages 347 chill hours per winter, ranging from 137 to 469 across the last 10 years.
What hardiness zone is 77453?: 77453 is in USDA hardiness zone 9b.

Growing fruit trees in 77453? 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