How many chill hours does 20615 get?

20615 averages 1530 chill hours per winter, ranging from 1158 to 1827 across the last 10 years.

What hardiness zone is 20615?

20615 is in USDA hardiness zone 8a.

Location almanac

The short answer

20615 averages 1,530 chill hours per winter (1,158–1,827 across 10 years) in USDA zone 8a.

20615 climate
Average chill hours	1,530 (1,158–1,827 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically March 9 – April 1
First fall frost	typically November 11 – December 9

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 20615’s chill hours and zone:

Chill and zone requirements are comfortably met in 20615.

Show 129 more good fit varieties

How many chill hours does 20615 get?: 20615 averages 1530 chill hours per winter, ranging from 1158 to 1827 across the last 10 years.
What hardiness zone is 20615?: 20615 is in USDA hardiness zone 8a.

Growing fruit trees in 20615? 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