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Chill hours in 99519

The short answer

99519 averages 533 chill hours per winter (275638 across 10 years) in USDA zone 2a.
99519 climate
Average chill hours533 (275–638 across 10 winters)
USDA hardiness zone2a
Last spring frosttypically June 8 – June 20
First fall frosttypically July 15 – September 7

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 99519’s chill hours and zone:

Good fit (33)

Chill and zone requirements are comfortably met in 99519.

Good fit varieties for this location
VarietyFruit
TropicSweetApple
Arctic StarNectarine
Double DelightNectarine
PanamintNectarine
Snow QueenNectarine
August PridePeach
BabcockPeach
DonutPeach
Eva's PridePeach
FlordacrestPeach
FlordaprincePeach
GulfprincePeach
Mid-PridePeach
SuncrestPeach
Tropic SnowPeach
TropicBeautyPeach
UFGoldPeach
UFOnePeach
UFSunPeach
20th CenturyPear
ChojuroPear
KiefferPear
MoonglowPear
ShinkoPear
YoinashiPear
HachiyaPersimmon
BeautyPlum
Elephant HeartPlum
Flavor GrenadePlum
Flavor KingPlum
Show 3 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
JunegoldPeach
WarrenPear
How many chill hours does 99519 get?
99519 averages 533 chill hours per winter, ranging from 275 to 638 across the last 10 years.
What hardiness zone is 99519?
99519 is in USDA hardiness zone 2a.

Growing fruit trees in 99519? 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