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Chill hours in 86436

The short answer

86436 averages 356 chill hours per winter (204541 across 10 years) in USDA zone 9b.
86436 climate
Average chill hours356 (204–541 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 2 – February 3

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 86436’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 86436 get?
86436 averages 356 chill hours per winter, ranging from 204 to 541 across the last 10 years.
What hardiness zone is 86436?
86436 is in USDA hardiness zone 9b.

Growing fruit trees in 86436? 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