How many chill hours does 10998 get?

10998 averages 1640 chill hours per winter, ranging from 1387 to 1905 across the last 10 years.

What hardiness zone is 10998?

10998 is in USDA hardiness zone 6b.

Location almanac

The short answer

10998 averages 1,640 chill hours per winter (1,387–1,905 across 10 years) in USDA zone 6b.

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 10998’s chill hours and zone:

Chill and zone requirements are comfortably met in 10998.

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How many chill hours does 10998 get?: 10998 averages 1640 chill hours per winter, ranging from 1387 to 1905 across the last 10 years.
What hardiness zone is 10998?: 10998 is in USDA hardiness zone 6b.

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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