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Chill hours in 32309

The short answer

32309 averages 421 chill hours per winter (198578 across 10 years) in USDA zone 9a.
32309 climate
Average chill hours421 (198–578 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 19 – 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 32309’s chill hours and zone:

Marginal (14)

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

Marginal varieties for this location
VarietyFruit
MutsuApple
TomcotApricot
FantasiaNectarine
SuncrestPeach
BartlettPear
BoscPear
ChojuroPear
ShinkoPear
Elephant HeartPlum
BrooksSweet Cherry
Craig's CrimsonSweet Cherry
LapinsSweet Cherry
Royal RainierSweet Cherry
English MorelloTart Cherry
How many chill hours does 32309 get?
32309 averages 421 chill hours per winter, ranging from 198 to 578 across the last 10 years.
What hardiness zone is 32309?
32309 is in USDA hardiness zone 9a.

Growing fruit trees in 32309? 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