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Chill hours in 99761

The short answer

99761 averages 698 chill hours per winter (387923 across 10 years) in USDA zone 2a.
99761 climate
Average chill hours698 (387–923 across 10 winters)
USDA hardiness zone2a
Last spring frosttypically May 20 – June 10
First fall frosttypically August 30 – September 24

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 99761’s chill hours and zone:

Good fit (36)

Chill and zone requirements are comfortably met in 99761.

Good fit varieties for this location
VarietyFruit
TropicSweetApple
Arctic StarNectarine
Double DelightNectarine
FlavortopNectarine
PanamintNectarine
Snow QueenNectarine
August PridePeach
BabcockPeach
DonutPeach
Eva's PridePeach
FlordacrestPeach
FlordaprincePeach
GulfprincePeach
JunegoldPeach
Mid-PridePeach
SuncrestPeach
Tropic SnowPeach
TropicBeautyPeach
UFGoldPeach
UFOnePeach
UFSunPeach
20th CenturyPear
ChojuroPear
KiefferPear
MoonglowPear
ShinkoPear
WarrenPear
YoinashiPear
HachiyaPersimmon
BeautyPlum
Show 6 more good fit varieties

Marginal (22)

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

Marginal varieties for this location
VarietyFruit
GravensteinApple
WealthyApple
HarkoNectarine
IndependenceNectarine
MericrestNectarine
Belle of GeorgiaPeach
CresthavenPeach
ElbertaPeach
FlameprincePeach
FrostPeach
HarvesterPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
Flavor SupremePlum
French Improved PrunePlum
Green GagePlum
SunburstSweet Cherry
How many chill hours does 99761 get?
99761 averages 698 chill hours per winter, ranging from 387 to 923 across the last 10 years.
What hardiness zone is 99761?
99761 is in USDA hardiness zone 2a.

Growing fruit trees in 99761? 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