Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 85193

The short answer

85193 averages 435 chill hours per winter (282651 across 10 years) in USDA zone 9a.
85193 climate
Average chill hours435 (282–651 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 12 – February 16

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 85193’s chill hours and zone:

Marginal (21)

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

Marginal varieties for this location
VarietyFruit
MutsuApple
MoorparkApricot
Puget GoldApricot
TiltonApricot
TomcotApricot
FantasiaNectarine
FlavortopNectarine
JunegoldPeach
SuncrestPeach
BartlettPear
BoscPear
ChojuroPear
ComicePear
ShinkoPear
WarrenPear
Elephant HeartPlum
BrooksSweet Cherry
Craig's CrimsonSweet Cherry
LapinsSweet Cherry
Royal RainierSweet Cherry
English MorelloTart Cherry
How many chill hours does 85193 get?
85193 averages 435 chill hours per winter, ranging from 282 to 651 across the last 10 years.
What hardiness zone is 85193?
85193 is in USDA hardiness zone 9a.

Growing fruit trees in 85193? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

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