Spring planting calendar Last frost around Mar 20
USDA's earliest dates, and range of dates, for safe spring planting in places whose average last freeze is about March 20. We use this column for 124 towns whose NOAA average last frost is nearest March 20.
Spring planting dates
- Corn saladJan 1 – Mar 15
- RutabagaJan 15 – Mar 1
- SpinachJan 15 – Mar 15
- RadishesJan 20 – May 1
- Asparagus plantsFeb 1 – Mar 10
- Cabbage plantsFeb 1 – Mar 1
- Garden peasFeb 1 – Mar 15
- GarlicFeb 1 – Mar 1
- Leaf lettuceFeb 1 – Apr 1
- LeeksFeb 1 – Mar 1
- Onion setsFeb 1 – Mar 20
- ShallotsFeb 1 – Mar 10
- Cauliflower plantsFeb 10 – Mar 10
- Chervil and chivesFeb 10 – Mar 10
- DandelionFeb 10 – Mar 10
- Onion plants plantsFeb 10 – Mar 10
- Onion seedFeb 10 – Mar 10
- PotatoesFeb 10 – Mar 15
- SorrelFeb 10 – Mar 20
- TurnipsFeb 10 – Mar 10
- BeetsFeb 15 – May 15
- Broccoli plantsFeb 15 – Mar 15
- Brussels sprouts plantsFeb 15 – Mar 15
- CarrotsFeb 15 – Mar 20
- Collards plantsFeb 15 – May 1
- Head lettuce plantsFeb 15 – Mar 10
- ParsleyFeb 15 – Mar 15
- ParsnipsFeb 15 – Mar 15
- SalsifyFeb 15 – Mar 1
- KaleFeb 20 – Mar 10
- KohlrabiFeb 20 – Mar 10
- Mustard greensFeb 20 – Apr 1
- Swiss chardFeb 20 – May 15
- Upland cressFeb 20 – Mar 15
- Celery and celeriac plantsMar 1 – Apr 1
- EndiveMar 1 – Apr 1
- Florence fennelMar 1 – Apr 1
- Snap beansMar 15 – May 25
- Sweet cornMar 15 – May 1
- Black-eyed peasApr 1 – July 1
- Cantaloupe (muskmelon)Apr 1 – May 1
- CucumbersApr 1 – May 1
- Eggplant plantsApr 1 – May 1
- Lima beansApr 1 – June 15
- New Zealand spinachApr 1 – May 15
- OkraApr 1 – June 15
- Summer squashApr 1 – May 15
- TomatoesApr 1 – May 20
- WatermelonApr 1 – May 1
- Peppers plantsApr 10 – June 1
- SoybeansApr 10 – June 30
- Sweet potatoesApr 10 – June 1
- Witloof chicoryJune 1 – July 1
USDA lists chinese cabbage as generally fall-planted here.
Source: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” table 4, column “March 20.” “Plants” means setting out transplants, not sowing seed.
Towns on this calendar
- Alabama Huntsville, Birmingham, Tuscaloosa, Hoover, Gadsden, Athens, Bessemer, Albertville and 1 more
- Arizona Nogales, Douglas, Safford
- Arkansas Little Rock, Fort Smith, Jonesboro, Benton, Hot Springs, Sherwood, West Memphis, El Dorado and 4 more
- California Victorville, Ukiah, Scotts Valley
- Florida Crestview
- Georgia Atlanta, Columbus, Augusta, Macon, Athens, Sandy Springs, Gainesville, Stockbridge and 5 more
- Louisiana Minden
- Maryland Baltimore
- Mississippi Southaven, Tupelo, Meridian, Starkville, Natchez, Clarksdale, Greenwood, Brookhaven and 1 more
- Nevada Mesquite
- New Mexico Carlsbad, Sunland Park
- North Carolina Wilmington, Jacksonville, Wilson, New Bern, Kinston, Lumberton, Hope Mills, Havelock and 3 more
- Oklahoma Duncan
- Oregon Gresham, Lake Oswego, Woodburn, Wilsonville, Newberg, Roseburg, Molalla
- South Carolina Columbia, Summerville, Sumter, Florence, Myrtle Beach, Aiken, Anderson, Lexington and 1 more
- Tennessee Memphis, Chattanooga, Germantown
- Texas Lubbock, McKinney, Grand Prairie, Abilene, Allen, San Angelo, Burleson, Celina and 21 more
- Virginia Chesapeake, Norfolk, Alexandria, Hampton, Portsmouth
- Washington Kent, Everett, Mount Vernon, Camas