Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 30458

The short answer

30458 averages 598 chill hours per winter (382722 across 10 years) in USDA zone 8b.
30458 climate
Average chill hours598 (382–722 across 10 winters)
USDA hardiness zone8b
Last spring frosttypically January 22 – March 13
First fall frosttypically November 28 – December 11

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 30458’s chill hours and zone:

Marginal (24)

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

Marginal varieties for this location
VarietyFruit
BraeburnApple
Golden DeliciousApple
GravensteinApple
JonagoldApple
JonathanApple
Red DeliciousApple
HarcotApricot
MoorparkApricot
Puget GoldApricot
TiltonApricot
Wenatchee MoorparkApricot
FlavortopNectarine
IndependenceNectarine
FrostPeach
JunegoldPeach
ComicePear
WarrenPear
Flavor SupremePlum
Green GagePlum
BingSweet Cherry
Black TartarianSweet Cherry
RainierSweet Cherry
VanSweet Cherry
Early RichmondTart Cherry
How many chill hours does 30458 get?
30458 averages 598 chill hours per winter, ranging from 382 to 722 across the last 10 years.
What hardiness zone is 30458?
30458 is in USDA hardiness zone 8b.

Growing fruit trees in 30458? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

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