How many chill hours does 20745 get?

20745 averages 1566 chill hours per winter, ranging from 1237 to 1853 across the last 10 years.

What hardiness zone is 20745?

20745 is in USDA hardiness zone 8a.

Location almanac

The short answer

20745 averages 1,566 chill hours per winter (1,237–1,853 across 10 years) in USDA zone 8a.

20745 climate
Average chill hours	1,566 (1,237–1,853 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically March 21 – April 8
First fall frost	typically November 11 – December 1

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 20745’s chill hours and zone:

Chill and zone requirements are comfortably met in 20745.

Show 129 more good fit varieties

How many chill hours does 20745 get?: 20745 averages 1566 chill hours per winter, ranging from 1237 to 1853 across the last 10 years.
What hardiness zone is 20745?: 20745 is in USDA hardiness zone 8a.

Growing fruit trees in 20745? 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