How many chill hours does 00703 get?

00703 averages 0 chill hours per winter, ranging from 0 to 0 across the last 10 years.

What hardiness zone is 00703?

00703 is in USDA hardiness zone 12b.

Location almanac

The short answer

00703 averages 0 chill hours per winter (0–0 across 10 years) in USDA zone 12b.

00703 climate
Average chill hours	0 (0–0 across 10 winters)
USDA hardiness zone	12b

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 00703’s chill hours and zone:

How many chill hours does 00703 get?: 00703 averages 0 chill hours per winter, ranging from 0 to 0 across the last 10 years.
What hardiness zone is 00703?: 00703 is in USDA hardiness zone 12b.

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[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