How many chill hours does 22640 get?

22640 averages 1598 chill hours per winter, ranging from 1320 to 1865 across the last 10 years.

What hardiness zone is 22640?

22640 is in USDA hardiness zone 7a.

Location almanac

The short answer

22640 averages 1,598 chill hours per winter (1,320–1,865 across 10 years) in USDA zone 7a.

22640 climate
Average chill hours	1,598 (1,320–1,865 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 27 – April 28
First fall frost	typically November 1 – November 14

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 22640’s chill hours and zone:

Chill and zone requirements are comfortably met in 22640.

Show 131 more good fit varieties

How many chill hours does 22640 get?: 22640 averages 1598 chill hours per winter, ranging from 1320 to 1865 across the last 10 years.
What hardiness zone is 22640?: 22640 is in USDA hardiness zone 7a.

Growing fruit trees in 22640? 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