Texas frost dates by county and ZIP code

Across 1,989 Texas ZIP codes the average last spring frost runs Jan 3 to Apr 28 and the average first fall frost Oct 15 to Jan 8 (next year) (50% odds, 32°F, NOAA 1991–2020 normals), with USDA hardiness zones. Download the table as CSV.
Plants for Texas
University-tested plant lists for Texas yards: plants for Texas (Texas Superstar® and low-care roses from Earth-Kind® trials, both from Texas A&M AgriLife; not affiliated). Plant programs in other states.
Counties
- Anderson
- Andrews
- Angelina
- Aransas
- Archer
- Armstrong
- Atascosa
- Austin
- Bailey
- Bandera
- Bastrop
- Baylor
- Bee
- Bell
- Bexar
- Blanco
- Borden
- Bosque
- Bowie
- Brazoria
- Brazos
- Brewster
- Briscoe
- Brooks
- Brown
- Burleson
- Burnet
- Caldwell
- Calhoun
- Callahan
- Cameron
- Camp
- Carson
- Cass
- Castro
- Chambers
- Cherokee
- Childress
- Clay
- Cochran
- Coke
- Coleman
- Collin
- Collingsworth
- Colorado
- Comal
- Comanche
- Concho
- Cooke
- Coryell
- Cottle
- Crane
- Crockett
- Crosby
- Culberson
- Dallam
- Dallas
- Dawson
- DeWitt
- Deaf Smith
- Delta
- Denton
- Dickens
- Dimmit
- Donley
- Duval
- Eastland
- Ector
- Edwards
- El Paso
- Ellis
- Erath
- Falls
- Fannin
- Fayette
- Fisher
- Floyd
- Foard
- Fort Bend
- Franklin
- Freestone
- Frio
- Gaines
- Galveston
- Garza
- Gillespie
- Glasscock
- Goliad
- Gonzales
- Gray
- Grayson
- Gregg
- Grimes
- Guadalupe
- Hale
- Hall
- Hamilton
- Hansford
- Hardeman
- Hardin
- Harris
- Harrison
- Hartley
- Haskell
- Hays
- Hemphill
- Henderson
- Hidalgo
- Hill
- Hockley
- Hood
- Hopkins
- Houston
- Howard
- Hudspeth
- Hunt
- Hutchinson
- Irion
- Jack
- Jackson
- Jasper
- Jeff Davis
- Jefferson
- Jim Hogg
- Jim Wells
- Johnson
- Jones
- Karnes
- Kaufman
- Kendall
- Kenedy
- Kent
- Kerr
- Kimble
- King
- Kinney
- Kleberg
- Knox
- La Salle
- Lamar
- Lamb
- Lampasas
- Lavaca
- Lee
- Leon
- Liberty
- Limestone
- Lipscomb
- Live Oak
- Llano
- Loving
- Lubbock
- Lynn
- Madison
- Marion
- Martin
- Mason
- Matagorda
- Maverick
- McCulloch
- McLennan
- McMullen
- Medina
- Menard
- Midland
- Milam
- Mills
- Mitchell
- Montague
- Montgomery
- Moore
- Morris
- Motley
- Nacogdoches
- Navarro
- Newton
- Nolan
- Nueces
- Ochiltree
- Oldham
- Orange
- Palo Pinto
- Panola
- Parker
- Parmer
- Pecos
- Polk
- Potter
- Presidio
- Rains
- Randall
- Reagan
- Real
- Red River
- Reeves
- Refugio
- Roberts
- Robertson
- Rockwall
- Runnels
- Rusk
- Sabine
- San Augustine
- San Jacinto
- San Patricio
- San Saba
- Schleicher
- Scurry
- Shackelford
- Shelby
- Sherman
- Smith
- Somervell
- Starr
- Stephens
- Sterling
- Stonewall
- Sutton
- Swisher
- Tarrant
- Taylor
- Terrell
- Terry
- Throckmorton
- Titus
- Tom Green
- Travis
- Trinity
- Tyler
- Upshur
- Upton
- Uvalde
- Val Verde
- Van Zandt
- Victoria
- Walker
- Waller
- Ward
- Washington
- Webb
- Wharton
- Wheeler
- Wichita
- Wilbarger
- Willacy
- Williamson
- Wilson
- Winkler
- Wise
- Wood
- Yoakum
- Young
- Zapata
- Zavala
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