How many chill hours does 77994 get?

77994 averages 382 chill hours per winter, ranging from 163 to 489 across the last 10 years.

What hardiness zone is 77994?

77994 is in USDA hardiness zone 9a.

Location almanac

The short answer

77994 averages 382 chill hours per winter (163–489 across 10 years) in USDA zone 9a.

77994 climate
Average chill hours	382 (163–489 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 8 – March 5
First fall frost	typically November 14 – 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 77994’s chill hours and zone:

Chill and zone requirements are comfortably met in 77994.

Show 26 more good fit varieties

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

How many chill hours does 77994 get?: 77994 averages 382 chill hours per winter, ranging from 163 to 489 across the last 10 years.
What hardiness zone is 77994?: 77994 is in USDA hardiness zone 9a.

Growing fruit trees in 77994? 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