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Planting Zones by State

Pick your state to see the USDA zone for every city and town, or search your ZIP code for your zone, its winter low and your frost dates.

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Planting zones by state

State	USDA zones	Most common
Alabama	7b – 9b	8b
Alaska	1a – 8b	5a
Arizona	5b – 10a	9b
Arkansas	7a – 8b	8a
California	5b – 11a	9b
Colorado	4a – 7a	6a
Connecticut	6a – 7b	6b
Delaware	7a – 8a	7b
District of Columbia	7b – 8a	8a
Florida	8b – 11b	10a
Georgia	7a – 9a	8a
Hawaii	10b – 13a	12b
Idaho	4a – 7b	6b
Illinois	5a – 7a	6a
Indiana	5b – 7a	6a
Iowa	4b – 6a	5a
Kansas	6a – 7a	6b
Kentucky	6b – 7b	7a
Louisiana	8b – 10a	9a
Maine	3b – 7a	5a
Maryland	6a – 8a	7b
Massachusetts	5b – 7b	6b
Michigan	4a – 7a	6a
Minnesota	3a – 5a	4b
Mississippi	7b – 9a	8b
Missouri	5b – 8a	6b
Montana	3b – 6b	4b
Nebraska	5a – 6a	5b
Nevada	5a – 10a	9b
New Hampshire	4a – 6b	6a
New Jersey	6b – 8a	7a
New Mexico	5a – 8b	7b
New York	4a – 7b	6a
North Carolina	6b – 9a	8a
North Dakota	3b – 4b	4a
Ohio	6a – 7a	6b
Oklahoma	6b – 8a	7b
Oregon	5b – 9b	8b
Pennsylvania	5b – 8a	6b
Rhode Island	6b – 7b	7a
South Carolina	8a – 9b	8b
South Dakota	4a – 5b	4b
Tennessee	6b – 8a	7b
Texas	6b – 10b	8b
Utah	4a – 8b	6a
Vermont	4a – 6a	5a
Virginia	6a – 8b	7b
Washington	6a – 9b	8b
West Virginia	5b – 7a	7a
Wisconsin	3b – 6a	5b
Wyoming	4a – 5b	5a

Zones are from USDA's 2023 map. The most common zone is the one that covers the most ZIP codes.