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Chill hours in 77011

The short answer

77011 averages 387 chill hours per winter (168496 across 10 years) in USDA zone 9b.
77011 climate
Average chill hours387 (168–496 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 18 – February 27

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 77011’s chill hours and zone:

Marginal (10)

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

Marginal varieties for this location
VarietyFruit
BlenheimApricot
GulfprincePeach
ChojuroPear
MoonglowPear
ShinkoPear
Dapple DandyPlum
Flavor KingPlum
ShiroPlum
StellaSweet Cherry
Evans BaliTart Cherry
How many chill hours does 77011 get?
77011 averages 387 chill hours per winter, ranging from 168 to 496 across the last 10 years.
What hardiness zone is 77011?
77011 is in USDA hardiness zone 9b.

Growing fruit trees in 77011? 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