Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 81128

The short answer

81128 averages 948 chill hours per winter (6381,201 across 10 years) in USDA zone 5b.
81128 climate
Average chill hours948 (638–1,201 across 10 winters)
USDA hardiness zone5b
Last spring frosttypically June 14 – June 28
First fall frosttypically July 1 – September 21

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 81128’s chill hours and zone:

Good fit (150)

Chill and zone requirements are comfortably met in 81128.

Good fit varieties for this location
VarietyFruit
Acey MacApple
AkaneApple
AnnaApple
Arkansas BlackApple
BraeburnApple
CameoApple
CandyCrispApple
CortlandApple
Cox's Orange PippinApple
CrimsonCrispApple
Dorsett GoldenApple
EarligoldApple
EmpireApple
FortuneApple
FujiApple
GalaApple
Ginger GoldApple
GoldRushApple
Golden DeliciousApple
Golden SupremeApple
Granny SmithApple
GravensteinApple
HoneycrispApple
IdaredApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
LodiApple
McIntoshApple
Show 120 more good fit varieties

Marginal (2)

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

Marginal varieties for this location
VarietyFruit
Rome BeautyApple
ReliancePeach
How many chill hours does 81128 get?
81128 averages 948 chill hours per winter, ranging from 638 to 1201 across the last 10 years.
What hardiness zone is 81128?
81128 is in USDA hardiness zone 5b.

Growing fruit trees in 81128? 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