How many chill hours does 20733 get?

20733 averages 1594 chill hours per winter, ranging from 1228 to 1902 across the last 10 years.

What hardiness zone is 20733?

20733 is in USDA hardiness zone 8a.

Location almanac

The short answer

20733 averages 1,594 chill hours per winter (1,228–1,902 across 10 years) in USDA zone 8a.

20733 climate
Average chill hours	1,594 (1,228–1,902 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically March 21 – April 3
First fall frost	typically November 11 – December 8

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 20733’s chill hours and zone:

Chill and zone requirements are comfortably met in 20733.

Show 129 more good fit varieties

How many chill hours does 20733 get?: 20733 averages 1594 chill hours per winter, ranging from 1228 to 1902 across the last 10 years.
What hardiness zone is 20733?: 20733 is in USDA hardiness zone 8a.

Growing fruit trees in 20733? 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