How many chill hours does 20772 get?

20772 averages 1525 chill hours per winter, ranging from 1216 to 1803 across the last 10 years.

What hardiness zone is 20772?

20772 is in USDA hardiness zone 7b.

Location almanac

The short answer

20772 averages 1,525 chill hours per winter (1,216–1,803 across 10 years) in USDA zone 7b.

20772 climate
Average chill hours	1,525 (1,216–1,803 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 21 – April 8
First fall frost	typically November 11 – December 10

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 20772’s chill hours and zone:

Chill and zone requirements are comfortably met in 20772.

Show 131 more good fit varieties

How many chill hours does 20772 get?: 20772 averages 1525 chill hours per winter, ranging from 1216 to 1803 across the last 10 years.
What hardiness zone is 20772?: 20772 is in USDA hardiness zone 7b.

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[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