How many chill hours does 22639 get?

22639 averages 1622 chill hours per winter, ranging from 1364 to 1912 across the last 10 years.

What hardiness zone is 22639?

22639 is in USDA hardiness zone 7a.

Location almanac

The short answer

22639 averages 1,622 chill hours per winter (1,364–1,912 across 10 years) in USDA zone 7a.

22639 climate
Average chill hours	1,622 (1,364–1,912 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 26 – 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 22639’s chill hours and zone:

Chill and zone requirements are comfortably met in 22639.

Show 131 more good fit varieties

How many chill hours does 22639 get?: 22639 averages 1622 chill hours per winter, ranging from 1364 to 1912 across the last 10 years.
What hardiness zone is 22639?: 22639 is in USDA hardiness zone 7a.

Growing fruit trees in 22639? 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