How many chill hours does 73638 get?

73638 averages 1324 chill hours per winter, ranging from 1106 to 1648 across the last 10 years.

What hardiness zone is 73638?

73638 is in USDA hardiness zone 7a.

Location almanac

The short answer

73638 averages 1,324 chill hours per winter (1,106–1,648 across 10 years) in USDA zone 7a.

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 73638’s chill hours and zone:

Chill and zone requirements are comfortably met in 73638.

Show 131 more good fit varieties

How many chill hours does 73638 get?: 73638 averages 1324 chill hours per winter, ranging from 1106 to 1648 across the last 10 years.
What hardiness zone is 73638?: 73638 is in USDA hardiness zone 7a.

Growing fruit trees in 73638? 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