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Chill hours in 79720

The short answer

79720 averages 929 chill hours per winter (6911,195 across 10 years) in USDA zone 8a.
79720 climate
Average chill hours929 (691–1,195 across 10 winters)
USDA hardiness zone8a
Last spring frosttypically February 6 – March 6
First fall frosttypically October 31 – December 12

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 79720’s chill hours and zone:

Good fit (157)

Chill and zone requirements are comfortably met in 79720.

Good fit varieties for this location
VarietyFruit
Acey MacApple
AkaneApple
AnnaApple
Arkansas BlackApple
BraeburnApple
CameoApple
CandyCrispApple
Cox's Orange PippinApple
Dorsett GoldenApple
EmpireApple
FortuneApple
FujiApple
GalaApple
Ginger GoldApple
GoldRushApple
Golden DeliciousApple
Golden SupremeApple
Granny SmithApple
GravensteinApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
McIntoshApple
MutsuApple
Northern SpyApple
Paula RedApple
Pink LadyApple
Red DeliciousApple
SpartanApple
Show 127 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
Rome BeautyApple
ReliancePeach
How many chill hours does 79720 get?
79720 averages 929 chill hours per winter, ranging from 691 to 1195 across the last 10 years.
What hardiness zone is 79720?
79720 is in USDA hardiness zone 8a.

Growing fruit trees in 79720? 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