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Chill hours in 36530

The short answer

36530 averages 390 chill hours per winter (181507 across 10 years) in USDA zone 9a.
36530 climate
Average chill hours390 (181–507 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 8 – January 30

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 36530’s chill hours and zone:

Marginal (22)

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

Marginal varieties for this location
VarietyFruit
MutsuApple
BlenheimApricot
TomcotApricot
FantasiaNectarine
GulfprincePeach
SuncrestPeach
BartlettPear
BoscPear
ChojuroPear
MoonglowPear
ShinkoPear
Dapple DandyPlum
Elephant HeartPlum
Flavor KingPlum
ShiroPlum
BrooksSweet Cherry
Craig's CrimsonSweet Cherry
LapinsSweet Cherry
Royal RainierSweet Cherry
StellaSweet Cherry
English MorelloTart Cherry
Evans BaliTart Cherry
How many chill hours does 36530 get?
36530 averages 390 chill hours per winter, ranging from 181 to 507 across the last 10 years.
What hardiness zone is 36530?
36530 is in USDA hardiness zone 9a.

Growing fruit trees in 36530? 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