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Chill hours in 99546

The short answer

99546 averages 3,069 chill hours per winter (2,4933,257 across 10 years) in USDA zone 8b.
99546 climate
Average chill hours3,069 (2,493–3,257 across 10 winters)
USDA hardiness zone8b
Last spring frosttypically April 16 – April 28
First fall frosttypically November 6 – November 17

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 99546’s chill hours and zone:

Good fit (159)

Chill and zone requirements are comfortably met in 99546.

Good fit varieties for this location
VarietyFruit
Acey MacApple
AkaneApple
AnnaApple
Arkansas BlackApple
BraeburnApple
CameoApple
CandyCrispApple
Cox's Orange PippinApple
Dorsett GoldenApple
EmpireApple
FortuneApple
FujiApple
GalaApple
Ginger GoldApple
GoldRushApple
Golden DeliciousApple
Golden SupremeApple
Granny SmithApple
GravensteinApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
McIntoshApple
MutsuApple
Northern SpyApple
Paula RedApple
Pink LadyApple
Red DeliciousApple
Rome BeautyApple
Show 129 more good fit varieties
How many chill hours does 99546 get?
99546 averages 3069 chill hours per winter, ranging from 2493 to 3257 across the last 10 years.
What hardiness zone is 99546?
99546 is in USDA hardiness zone 8b.

Growing fruit trees in 99546? 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