Zone lookup
USDA hardiness zone by ZIP code
ZIP 30301 is USDA hardiness zone 8a; use the Atlanta frost station's Mar 29 last frost and Nov 10 first frost to turn that zone into a planting calendar.
Source: atlanta-hartsfield frost station, USDA zone 8a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.
Enter a ZIP to see its USDA zone, frost-free days, first and last frost dates, and crop calendars.
For example, ZIP 30301 is zone 8a, but the planting calendar comes from the Atlanta frost station: last frost Mar 29, first frost Nov 10, about 226 frost-free days, and tomatoes transplant Apr 5.
New York, NY · Zone 7b
Tomatoes Apr 15
Open ZIP zone detail · last frost Apr 8
Philadelphia, PA · Zone 7b
Tomatoes Apr 17
Open ZIP zone detail · last frost Apr 10
Washington, DC · Zone 7b
Tomatoes Apr 22
Open ZIP zone detail · last frost Apr 15
Baltimore, MD · Zone 7b
Tomatoes Apr 22
Open ZIP zone detail · last frost Apr 15
Virginia Beach, VA · Zone 8b
Tomatoes Apr 8
Open ZIP zone detail · last frost Apr 1
Raleigh, NC · Zone 8a
Tomatoes Apr 17
Open ZIP zone detail · last frost Apr 10
Charlotte, NC · Zone 8a
Tomatoes Apr 12
Open ZIP zone detail · last frost Apr 5
Atlanta, GA · Zone 8a
Tomatoes Apr 5
Open ZIP zone detail · last frost Mar 29
Jacksonville, FL · Zone 9a
Tomatoes Mar 8
Open ZIP zone detail · last frost Mar 1
Miami, FL · Zone 11a
Tomatoes Jan 8
Open ZIP zone detail · last frost Jan 1
Tampa, FL · Zone 10a
Tomatoes Feb 8
Open ZIP zone detail · last frost Feb 1
Nashville, TN · Zone 7b
Tomatoes Apr 17
Open ZIP zone detail · last frost Apr 10
Memphis, TN · Zone 8a
Tomatoes Apr 1
Open ZIP zone detail · last frost Mar 25
Louisville, KY · Zone 7a
Tomatoes Apr 22
Open ZIP zone detail · last frost Apr 15
Columbus, OH · Zone 6b
Tomatoes May 7
Open ZIP zone detail · last frost Apr 30
Cleveland, OH · Zone 6b
Tomatoes May 12
Open ZIP zone detail · last frost May 5
Indianapolis, IN · Zone 6b
Tomatoes May 2
Open ZIP zone detail · last frost Apr 25
Detroit, MI · Zone 6b
Tomatoes May 12
Open ZIP zone detail · last frost May 5
Milwaukee, WI · Zone 6a
Tomatoes May 17
Open ZIP zone detail · last frost May 10
Minneapolis, MN · Zone 5a
Tomatoes May 17
Open ZIP zone detail · last frost May 10
Chicago, IL · Zone 6a
Tomatoes May 2
Open ZIP zone detail · last frost Apr 25
Kansas City, MO · Zone 6b
Tomatoes Apr 22
Open ZIP zone detail · last frost Apr 15
Wichita, KS · Zone 7a
Tomatoes Apr 27
Open ZIP zone detail · last frost Apr 20
Omaha, NE · Zone 6a
Tomatoes May 12
Open ZIP zone detail · last frost May 5
New Orleans, LA · Zone 9b
Tomatoes Feb 17
Open ZIP zone detail · last frost Feb 10
Oklahoma City, OK · Zone 7b
Tomatoes Apr 12
Open ZIP zone detail · last frost Apr 5
Tulsa, OK · Zone 7b
Tomatoes Apr 12
Open ZIP zone detail · last frost Apr 5
Dallas, TX · Zone 8b
Tomatoes Mar 19
Open ZIP zone detail · last frost Mar 12
Arlington, TX · Zone 8b
Tomatoes Mar 19
Open ZIP zone detail · last frost Mar 12
Fort Worth, TX · Zone 8b
Tomatoes Mar 19
Open ZIP zone detail · last frost Mar 12
Houston, TX · Zone 9b
Tomatoes Feb 27
Open ZIP zone detail · last frost Feb 20
San Antonio, TX · Zone 9a
Tomatoes Mar 8
Open ZIP zone detail · last frost Mar 1
Austin, TX · Zone 8b
Tomatoes Mar 12
Open ZIP zone detail · last frost Mar 5
El Paso, TX · Zone 8b
Tomatoes Mar 22
Open ZIP zone detail · last frost Mar 15
Aurora, CO · Zone 6a
Tomatoes May 12
Open ZIP zone detail · last frost May 5
Denver, CO · Zone 6a
Tomatoes May 12
Open ZIP zone detail · last frost May 5
Colorado Springs, CO · Zone 6a
Tomatoes May 22
Open ZIP zone detail · last frost May 15
Phoenix, AZ · Zone 10a
Tomatoes Feb 12
Open ZIP zone detail · last frost Feb 5
Mesa, AZ · Zone 10a
Tomatoes Feb 12
Open ZIP zone detail · last frost Feb 5
Tucson, AZ · Zone 9b
Tomatoes Feb 22
Open ZIP zone detail · last frost Feb 15
Albuquerque, NM · Zone 7b
Tomatoes Apr 22
Open ZIP zone detail · last frost Apr 15
Las Vegas, NV · Zone 9a
Tomatoes Mar 8
Open ZIP zone detail · last frost Mar 1
Los Angeles, CA · Zone 10b
Tomatoes Jan 27
Open ZIP zone detail · last frost Jan 20
Long Beach, CA · Zone 10b
Tomatoes Jan 27
Open ZIP zone detail · last frost Jan 20
San Diego, CA · Zone 10b
Tomatoes Feb 6
Open ZIP zone detail · last frost Jan 30
Anaheim, CA · Zone 10b
Tomatoes Jan 27
Open ZIP zone detail · last frost Jan 20
Bakersfield, CA · Zone 9b
Tomatoes Feb 27
Open ZIP zone detail · last frost Feb 20
Fresno, CA · Zone 9b
Tomatoes Feb 27
Open ZIP zone detail · last frost Feb 20
San Francisco, CA · Zone 10a
Tomatoes Feb 1
Open ZIP zone detail · last frost Jan 25
Oakland, CA · Zone 10a
Tomatoes Feb 8
Open ZIP zone detail · last frost Feb 1
San Jose, CA · Zone 9b
Tomatoes Feb 22
Open ZIP zone detail · last frost Feb 15
Sacramento, CA · Zone 9b
Tomatoes Feb 27
Open ZIP zone detail · last frost Feb 20
Honolulu, HI · Zone 12b
Tomatoes Jan 8
Open ZIP zone detail · last frost Jan 1
Portland, OR · Zone 9a
Tomatoes Apr 8
Open ZIP zone detail · last frost Apr 1
Seattle, WA · Zone 9a
Tomatoes Mar 27
Open ZIP zone detail · last frost Mar 20
Boston, MA · Zone 7a
Tomatoes Apr 27
Open ZIP zone detail · last frost Apr 20