How many chill hours does 10306 get?

10306 averages 1783 chill hours per winter, ranging from 1430 to 2106 across the last 10 years.

What hardiness zone is 10306?

10306 is in USDA hardiness zone 7b.

Location almanac

The short answer

10306 averages 1,783 chill hours per winter (1,430–2,106 across 10 years) in USDA zone 7b.

10306 climate
Average chill hours	1,783 (1,430–2,106 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 23 – April 9
First fall frost	typically November 10 – November 24

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 10306’s chill hours and zone:

Chill and zone requirements are comfortably met in 10306.

Show 131 more good fit varieties

How many chill hours does 10306 get?: 10306 averages 1783 chill hours per winter, ranging from 1430 to 2106 across the last 10 years.
What hardiness zone is 10306?: 10306 is in USDA hardiness zone 7b.

Growing fruit trees in 10306? 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