How many chill hours does 01901 get?

01901 averages 1782 chill hours per winter, ranging from 1513 to 2039 across the last 10 years.

What hardiness zone is 01901?

01901 is in USDA hardiness zone 7a.

Location almanac

The short answer

01901 averages 1,782 chill hours per winter (1,513–2,039 across 10 years) in USDA zone 7a.

01901 climate
Average chill hours	1,782 (1,513–2,039 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically April 3 – April 24
First fall frost	typically November 1 – November 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 01901’s chill hours and zone:

Chill and zone requirements are comfortably met in 01901.

Show 131 more good fit varieties

How many chill hours does 01901 get?: 01901 averages 1782 chill hours per winter, ranging from 1513 to 2039 across the last 10 years.
What hardiness zone is 01901?: 01901 is in USDA hardiness zone 7a.

Growing fruit trees in 01901? 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