State Maps of USDA Plant Hardiness Zones

Updated 12/29/17

One of the most important steps in choosing plants is making sure it is suited to your climate. Find your USDA zone using these state maps. You can then choose plants that are suggested for that USDA zone. Just click on the picture to see the full-size map.

These maps are based on the average annual extreme minimum temperatures. They do not account for average maximum temperatures, for example, and some plants may struggle. There is also the possibility of microclimates in your yard that are...MORE zones higher or lower than what the maps say they should be.

Courtesy of:

USDA Plant Hardiness Zone Map, 2012. Agricultural Research Service, U.S. Department of Agriculture.

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Alabama USDA Zone Map

USDA Zones 7a through 9a are represented in Alabama.
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Alaska USDA Zone Map

USDA Zones 1a through 8b are represented in Alaska.
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Arizona USDA Zone Map

USDA Zones 4b through 10b are represented in Arizona.
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Arkansas USDA Zone Map

USDA Zones 6b through 8a are represented in Arkansas.

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California (North) USDA Zone Map

USDA Zones 5a through 10b are represented in Northern California.
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California (South) USDA Zone Map

Agricultural Research Service, U.S. Department of Agriculture.

USDA Zones 5a through 11a are represented in Southern California.
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Colorado USDA Zone Map

USDA Zones 3a through 7a are represented in Colorado.
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Connecticut USDA Zone Map

USDA Zones 5b through 7a are represented in Connecticut.

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Delaware USDA Zone Map

USDA Zones 7a and 7b are represented in Delaware.
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District of Columbia Zone Map

USDA Zones 5b through 8a are represented in the District of Columbia.
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Florida USDA Zone Map

USDA Zones 8a through 11a are represented in Florida.
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Georgia USDA Zone Map

Agricultural Research Service, U.S. Department of Agriculture

USDA Zones 6a through 9a are represented in Georgia.

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Hawaii USDA Zone Map

USDA Zones 9a through 13a are represented in Hawaii.
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Idaho USDA Zone Map

USDA Zones 3b through 7b represented in Idaho.
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Illinois USDA Zone Map

USDA Zones 5a through 7a are represented in Illinois.
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Indiana USDA Zone Map

USDA Zones 5b through 6b are represented in Indiana.

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Iowa USDA Zone Map

USDA Zones 4b through 6a are represented in Iowa.
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Kansas USDA Zone Map

USDA Zones 5b through 7a are represented in Kansas.
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Kentucky USDA Zone Map

USDA Zones 6a through 7a are represented in Kentucky.
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Louisiana USDA Zone Map

USDA Zones 8a through 10a represented in Louisiana.

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Maine USDA Zone Map

USDA Zones 3b through 6a are represented in Maine.
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Maryland USDA Zone Map

USDA Zones 5b through 8a are represented in Maryland.
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Massachusetts USDA Zone Map

USDA Zones 5a through 7b are represented in Massachusetts.
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Michigan USDA Zone Map

USDA Zones 4a through 6b are represented in Michigan.

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Minnesota USDA Zone Map

USDA Zones 3a through 5a are represented in Minnesota.
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Mississippi USDA Zone Map

USDA Zones 7b through 9a are represented in Mississippi.
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Missouri USDA Zone Map

USDA Zones 5b through 7b are represented in Missouri.
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Montana USDA Zone Map

USDA Zones 3a through 6a are represented in Montana.

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Nebraska USDA Zone Map

USDA Zones 4a through 5b are represented in Nebraska.
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Nevada USDA Zone Map

USDA Zones 4a through 10a are represented in Nevada.
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New Hampshire USDA Zone Map

USDA Zones 3b through 6a are represented in New Hampshire.
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New Jersey USDA Zone Map

USDA Zones 6a through 7b are represented in New Jersey

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New Mexico USDA Zone Map

USDA Zones 4b through 9a are represented in New Mexico.
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New York USDA Zone Map

USDA Zones 3b through 7b are represented in New York.
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North Carolina USDA Zone Map

USDA Zones 5b through 8b are represented in North Carolina.
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North Dakota USDA Zone Map

USDA Zones 3a through 4b are represented in North Dakota.

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Ohio USDA Zone Map

USDA Zones 5b through 6b are represented in Ohio.
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Oklahoma USDA Zone Map

USDA Zones 6a through 8a are represented in Oklahoma.
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Oregon USDA Zone Map

USDA Zones 4b through 9b are represented in Oregon.
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Pennsylvania USDA Zone Map

USDA Zones 5a through 7b are represented in Pennsylvania.

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Puerto Rico USDA Zone Map

USDA Zones 11b through 13b are represented in Puerto Rico.
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Rhode Island USDA Zone Map

USDA Zones 5b through 7a represented in Rhode Island.
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South Carolina USDA Zone Map

USDA Zones 7a through 9a are represented in South Carolina.
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South Dakota USDA Zone Map

USDA Zones 3b through 5b are represented in South Dakota.

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Tennessee USDA Zone Map

USDA Zones 5b through 8a are represented in Tennessee.
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Texas (East) USDA Zone Map

USDA Zones 7b through 10a are represented in East Texas.
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Texas (West) USDA Zone Map

USDA Zones 6b through 9a are represented in West Texas.
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Utah USDA Zone Map

USDA Zones 4a through 9a are represented in Utah.

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Vermont USDA Zone Map

USDA Zones 3b through 5b are represented in Vermont.
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Virginia USDA Zone Map

USDA Zones 5a through 8a are represented in Virginia.
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Washington USDA Zone Map

USDA Zones 4a through 9a are represented in Washington.
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West Virginia USDA Zone Map

USDA Zones 5a through 7a are represented in West Virginia.

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Wisconsin USDA Zone Map

USDA Zones 3b through 5b are represented in Wisconsin.
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Wyoming USDA Zone Map

USDA Zones 3a through 6a are represented in Wyoming.