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Chill hours in 70522

The short answer

70522 averages 354 chill hours per winter (145490 across 10 years) in USDA zone 9b.
70522 climate
Average chill hours354 (145–490 across 10 winters)
USDA hardiness zone9b
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 70522’s chill hours and zone:

Marginal (10)

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

Marginal varieties for this location
VarietyFruit
BlenheimApricot
GulfprincePeach
ChojuroPear
MoonglowPear
ShinkoPear
Dapple DandyPlum
Flavor KingPlum
ShiroPlum
StellaSweet Cherry
Evans BaliTart Cherry
How many chill hours does 70522 get?
70522 averages 354 chill hours per winter, ranging from 145 to 490 across the last 10 years.
What hardiness zone is 70522?
70522 is in USDA hardiness zone 9b.

Growing fruit trees in 70522? 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