How many chill hours does 20619 get?

20619 averages 1567 chill hours per winter, ranging from 1181 to 1916 across the last 10 years.

What hardiness zone is 20619?

20619 is in USDA hardiness zone 7b.

Location almanac

The short answer

20619 averages 1,567 chill hours per winter (1,181–1,916 across 10 years) in USDA zone 7b.

20619 climate
Average chill hours	1,567 (1,181–1,916 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 9 – April 1
First fall frost	typically November 13 – 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 20619’s chill hours and zone:

Chill and zone requirements are comfortably met in 20619.

Show 131 more good fit varieties

How many chill hours does 20619 get?: 20619 averages 1567 chill hours per winter, ranging from 1181 to 1916 across the last 10 years.
What hardiness zone is 20619?: 20619 is in USDA hardiness zone 7b.

Growing fruit trees in 20619? 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