How many chill hours does 22720 get?

22720 averages 1527 chill hours per winter, ranging from 1266 to 1828 across the last 10 years.

What hardiness zone is 22720?

22720 is in USDA hardiness zone 7a.

Location almanac

The short answer

22720 averages 1,527 chill hours per winter (1,266–1,828 across 10 years) in USDA zone 7a.

22720 climate
Average chill hours	1,527 (1,266–1,828 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 21 – April 8
First fall frost	typically November 9 – November 23

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 22720’s chill hours and zone:

Chill and zone requirements are comfortably met in 22720.

Show 131 more good fit varieties

How many chill hours does 22720 get?: 22720 averages 1527 chill hours per winter, ranging from 1266 to 1828 across the last 10 years.
What hardiness zone is 22720?: 22720 is in USDA hardiness zone 7a.

Growing fruit trees in 22720? 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