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Chill hours in 70526

The short answer

70526 averages 436 chill hours per winter (210534 across 10 years) in USDA zone 9a.
70526 climate
Average chill hours436 (210–534 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 19 – March 5

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 70526’s chill hours and zone:

Marginal (14)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
MutsuApple
TomcotApricot
FantasiaNectarine
SuncrestPeach
BartlettPear
BoscPear
ChojuroPear
ShinkoPear
Elephant HeartPlum
BrooksSweet Cherry
Craig's CrimsonSweet Cherry
LapinsSweet Cherry
Royal RainierSweet Cherry
English MorelloTart Cherry
How many chill hours does 70526 get?
70526 averages 436 chill hours per winter, ranging from 210 to 534 across the last 10 years.
What hardiness zone is 70526?
70526 is in USDA hardiness zone 9a.

Growing fruit trees in 70526? Get a care calendar anchored to this exact climate, with email reminders.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026