How many chill hours does 03597 get?

03597 averages 942 chill hours per winter, ranging from 762 to 1331 across the last 10 years.

What hardiness zone is 03597?

03597 is in USDA hardiness zone 4a.

Location almanac

The short answer

03597 averages 942 chill hours per winter (762–1,331 across 10 years) in USDA zone 4a.

03597 climate
Average chill hours	942 (762–1,331 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically May 8 – May 28
First fall frost	typically September 27 – October 22

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 03597’s chill hours and zone:

Chill and zone requirements are comfortably met in 03597.

Show 89 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
Reliance	Peach

How many chill hours does 03597 get?: 03597 averages 942 chill hours per winter, ranging from 762 to 1331 across the last 10 years.
What hardiness zone is 03597?: 03597 is in USDA hardiness zone 4a.

Growing fruit trees in 03597? 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