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Chill hours in 70341

The short answer

70341 averages 394 chill hours per winter (177516 across 10 years) in USDA zone 9a.
70341 climate
Average chill hours394 (177–516 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 19 – March 6

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 70341’s chill hours and zone:

Marginal (22)

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

Marginal varieties for this location
VarietyFruit
MutsuApple
BlenheimApricot
TomcotApricot
FantasiaNectarine
GulfprincePeach
SuncrestPeach
BartlettPear
BoscPear
ChojuroPear
MoonglowPear
ShinkoPear
Dapple DandyPlum
Elephant HeartPlum
Flavor KingPlum
ShiroPlum
BrooksSweet Cherry
Craig's CrimsonSweet Cherry
LapinsSweet Cherry
Royal RainierSweet Cherry
StellaSweet Cherry
English MorelloTart Cherry
Evans BaliTart Cherry
How many chill hours does 70341 get?
70341 averages 394 chill hours per winter, ranging from 177 to 516 across the last 10 years.
What hardiness zone is 70341?
70341 is in USDA hardiness zone 9a.

Growing fruit trees in 70341? 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