Missouri frost dates by county and ZIP code
Across 1,035 Missouri ZIP codes the average last spring frost runs Mar 24 to Apr 28 and the average first fall frost Oct 8 to Nov 9 (50% odds, 32°F, NOAA 1991–2020 normals), with USDA hardiness zones. Download the table as CSV.
Plants for Missouri
Missouri's university or garden plant program: Plants of Merit, with a link to the official list. Not affiliated. All state plant programs.
Counties
- Adair
- Andrew
- Atchison
- Audrain
- Barry
- Barton
- Bates
- Benton
- Bollinger
- Boone
- Buchanan
- Butler
- Caldwell
- Callaway
- Camden
- Cape Girardeau
- Carroll
- Carter
- Cass
- Cedar
- Chariton
- Christian
- Clark
- Clay
- Clinton
- Cole
- Cooper
- Crawford
- Dade
- Dallas
- Daviess
- DeKalb
- Dent
- Douglas
- Dunklin
- Franklin
- Gasconade
- Gentry
- Greene
- Grundy
- Harrison
- Henry
- Hickory
- Holt
- Howard
- Howell
- Iron
- Jackson
- Jasper
- Jefferson
- Johnson
- Knox
- Laclede
- Lafayette
- Lawrence
- Lewis
- Lincoln
- Linn
- Livingston
- Macon
- Madison
- Maries
- Marion
- McDonald
- Mercer
- Miller
- Mississippi
- Moniteau
- Monroe
- Montgomery
- Morgan
- New Madrid
- Newton
- Nodaway
- Oregon
- Osage
- Ozark
- Pemiscot
- Perry
- Pettis
- Phelps
- Pike
- Platte
- Polk
- Pulaski
- Putnam
- Ralls
- Randolph
- Ray
- Reynolds
- Ripley
- Saline
- Schuyler
- Scotland
- Scott
- Shannon
- Shelby
- St. Charles
- St. Clair
- St. Francois
- St. Louis
- St. Louis city
- Ste. Genevieve
- Stoddard
- Stone
- Sullivan
- Taney
- Texas
- Vernon
- Warren
- Washington
- Wayne
- Webster
- Worth
- Wright
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