How many chill hours does 03251 get?

03251 averages 916 chill hours per winter, ranging from 712 to 1244 across the last 10 years.

What hardiness zone is 03251?

03251 is in USDA hardiness zone 5a.

Location almanac

The short answer

03251 averages 916 chill hours per winter (712–1,244 across 10 years) in USDA zone 5a.

03251 climate
Average chill hours	916 (712–1,244 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically May 13 – June 3
First fall frost	typically September 23 – October 12

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 03251’s chill hours and zone:

Chill and zone requirements are comfortably met in 03251.

Show 120 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Rome Beauty	Apple
Reliance	Peach

How many chill hours does 03251 get?: 03251 averages 916 chill hours per winter, ranging from 712 to 1244 across the last 10 years.
What hardiness zone is 03251?: 03251 is in USDA hardiness zone 5a.

Growing fruit trees in 03251? 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