Deconstruct SunHardiness Zone 7b: Temperature, States & Cities
In USDA zone 7b, the coldest night of a typical winter falls between 5 and 10 °F (−15.0 to −12.2 °C).
average annual extreme minimum
Where is zone 7b?
On the 2023 USDA map, zone 7b appears in Tennessee, Oklahoma, New York, Virginia, Maryland, New Jersey, North Carolina, Arkansas, Pennsylvania, Texas, New Mexico, Delaware, Missouri, Alabama, Utah, Washington, California, Massachusetts, Georgia, Oregon, Kentucky, Nevada, Arizona, District of Columbia, Mississippi, Alaska, Idaho.
Cities in zone 7b
- Prescott, AZ
- Wilmington, DE
- Dover, DE
- Newark, DE
- Columbia, MD
- Germantown, MD
- Silver Spring, MD
- Frederick, MD
- Rockville, MD
- Gaithersburg, MD
- Reno, NV
- Newark, NJ
- Jersey City, NJ
- Elizabeth, NJ
- Trenton, NJ
- Camden, NJ
- Albuquerque, NM
- Rio Rancho, NM
- Roswell, NM
- New York, NY
- Yonkers, NY
- Asheville, NC
- Oklahoma City, OK
- Tulsa, OK
- Norman, OK
- Broken Arrow, OK
- Edmond, OK
- Lawton, OK
- Stillwater, OK
- Philadelphia, PA
- Nashville, TN
- Knoxville, TN
- Clarksville, TN
- Murfreesboro, TN
- Franklin, TN
- Johnson City, TN
- Jackson, TN
- Lubbock, TX
- Salt Lake City, UT
- West Valley City, UT
- West Jordan, UT
- Arlington, VA
- Richmond, VA
- Roanoke, VA
- Lynchburg, VA
- Charlottesville, VA
- Kennewick, WA
- Walla Walla, WA
- Wenatchee, WA
Gardening in zone 7b
Pick perennials, shrubs and trees labeled for zone 7b or a lower number. Then match the light: every plant tag also lists full sun, part sun or shade, and that depends on the exact spot, not the zone.
Check your zone
Zone checked. Now measure the sun.
Deconstruct Sun shows how many hours of direct sun one exact spot gets, today and in every season. Free on iPhone.
Questions
What is the temperature range for zone 7b?
In zone 7b, the average coldest winter night is 5 to 10 °F (−15.0 to −12.2 °C). That is the average of each year’s lowest temperature from 1991 to 2020.
What is the difference between zone 7b and 7a?
Both are part of zone 7. The “a” half is 5 °F colder than the “b” half. Zone 7a averages 0 to 5 °F and zone 7b averages 5 to 10 °F.
Can I grow zone 8a plants in zone 7b?
A plant rated for a warmer zone may survive a mild winter, but one hard freeze can kill it. Choose plants rated for your zone or colder for permanent plantings, and treat warmer-zone plants as annuals or grow them in pots you can move.
This is not the official USDA Plant Hardiness Zone Map. Zones are derived from the official 2023 dataset, resampled to about 2 km.