How many chill hours does 20724 get?

20724 averages 1582 chill hours per winter, ranging from 1269 to 1839 across the last 10 years.

What hardiness zone is 20724?

20724 is in USDA hardiness zone 7b.

Location almanac

The short answer

20724 averages 1,582 chill hours per winter (1,269–1,839 across 10 years) in USDA zone 7b.

20724 climate
Average chill hours	1,582 (1,269–1,839 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 25 – April 18
First fall frost	typically November 11 – November 25

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 20724’s chill hours and zone:

Chill and zone requirements are comfortably met in 20724.

Show 131 more good fit varieties

How many chill hours does 20724 get?: 20724 averages 1582 chill hours per winter, ranging from 1269 to 1839 across the last 10 years.
What hardiness zone is 20724?: 20724 is in USDA hardiness zone 7b.

Growing fruit trees in 20724? 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