How many chill hours does 28637 get?

28637 averages 1364 chill hours per winter, ranging from 1106 to 1717 across the last 10 years.

What hardiness zone is 28637?

28637 is in USDA hardiness zone 8a.

Location almanac

The short answer

28637 averages 1,364 chill hours per winter (1,106–1,717 across 10 years) in USDA zone 8a.

28637 climate
Average chill hours	1,364 (1,106–1,717 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically March 20 – April 11
First fall frost	typically November 9 – 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 28637’s chill hours and zone:

Chill and zone requirements are comfortably met in 28637.

Show 129 more good fit varieties

How many chill hours does 28637 get?: 28637 averages 1364 chill hours per winter, ranging from 1106 to 1717 across the last 10 years.
What hardiness zone is 28637?: 28637 is in USDA hardiness zone 8a.

Growing fruit trees in 28637? 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