NOAA 1991–2020 Normals · USDA Hardiness Zones
Frost Dates by ZIP Code
31,617 ZIP codes with first and last frost dates, hardiness zone, growing season length and the usual first and last snow.
Browse by hardiness zone
- Zone 10a(775)
- Zone 10b(468)
- Zone 11a(118)
- Zone 11b(13)
- Zone 12a(27)
- Zone 12b(98)
- Zone 13a(70)
- Zone 13b(13)
- Zone 1a(2)
- Zone 1b(6)
- Zone 2a(20)
- Zone 2b(13)
- Zone 3a(19)
- Zone 3b(190)
- Zone 4a(717)
- Zone 4b(1,138)
- Zone 5a(2,141)
- Zone 5b(2,458)
- Zone 6a(4,371)
- Zone 6b(4,319)
- Zone 7a(3,772)
- Zone 7b(2,888)
- Zone 8a(2,409)
- Zone 8b(2,489)
- Zone 9a(1,662)
- Zone 9b(1,405)
Largest ZIP codes
- 77494Katy · 9a
- 08701Lakewood · 7a
- 77449Katy · 9b
- 78660Pflugerville · 9a
- 77433Cypress · 9a
- 60629Chicago · 6a
- 77084Houston · 9b
- 11368Corona · 7b
- 11208Brooklyn · 7b
- 79936El Paso · 8b
- 11385Ridgewood · 7b
- 92336Fontana · 10a
- 90011Los Angeles · 10b
- 37013Antioch · 7b
- 90650Norwalk · 10b
- 30044Lawrenceville · 8a
- 11226Brooklyn · 7b
- 94565Pittsburg · 9b
- 11373Elmhurst · 7b
- 91331Pacoima · 10a
- 77573League City · 9b
- 79938El Paso · 8b
- 10467Bronx · 7b
- 77429Cypress · 9b
- 90044Los Angeles · 10b
- 78130New Braunfels · 9a
- 75052Grand Prairie · 8b
- 92335Fontana · 10a
- 11236Brooklyn · 7b
- 90250Hawthorne · 10b
- 11219Brooklyn · 7b
- 90805Long Beach · 10b
- 90201Bell Gardens · 10b
- 10314Staten Island · 7b
- 91342Sylmar · 10a
- 11207Brooklyn · 7b
- 78641Leander · 9a
- 00926San Juan · 13a
- 10025New York · 7b
- 34787Winter Garden · 9b
Coverage by state
- Texas(1,684)
- New York(1,624)
- California(1,614)
- Pennsylvania(1,461)
- Illinois(1,154)
- Ohio(1,127)
- Florida(953)
- Michigan(913)
- Missouri(811)
- Virginia(773)
- North Carolina(770)
- Minnesota(732)
- Wisconsin(716)
- Iowa(707)
- Georgia(668)
- Indiana(663)
- West Virginia(649)
- Kentucky(622)
- New Jersey(570)
- Tennessee(560)
- Oklahoma(554)
- Alabama(552)
- Washington(534)
- Kansas(526)
- Massachusetts(515)
- Nebraska(498)
- Louisiana(466)
- Arkansas(441)
- Colorado(432)
- Maryland(424)
- South Carolina(389)
- Maine(372)
- Arizona(372)
- Mississippi(367)
- Oregon(351)
- North Dakota(294)
- New Mexico(274)
- Connecticut(273)
- South Dakota(248)
- Montana(246)
- Utah(239)
- New Hampshire(234)
- Vermont(232)
- Idaho(213)
- Alaska(183)
- Nevada(153)
- Puerto Rico(129)
- Wyoming(113)
- Hawaii(92)
- Rhode Island(74)
- Delaware(63)
- District of Columbia(28)