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Rhode Island Planting Zones
Rhode Island covers USDA hardiness zones 6b to 7b on the 2023 map. The most common zone is 7a (53% of ZIP codes), where the coldest winter night averages 0 to 5 °F. Providence is zone 6b–7a, Warwick is zone 7a and Cranston is zone 6b–7a.
Zones in Rhode Island
Share of the state’s ZIP codes in each zone.
Major cities
- Providence 6b–7a
- Warwick 7a
- Cranston 6b–7a
- Pawtucket 7a
- Newport 7a
- Wakefield 7a
- Adamsville 7a
- Ashaway 6b
- Barrington 7a
- Block Island 7b
- Bradford 7a
- Bristol 7a
Every city and town in Rhode Island
- Adamsville 02801 7a
- Ashaway 02804 6b
- Barrington 02806 7a
- Block Island 02807 7b
- Bradford 02808 7a
- Bristol 02809 7a
- Carolina 02812 6b
- Central Falls 02863 7a
- Charlestown 02813 7a
- Chepachet 02814 6b
- Clayville 02815 6b
- Coventry 02816 6b
- Cranston 02910+ 6b–7a
- Cumberland 02864 6b
- East Greenwich 02818 7a
- East Providence 02914 7a
- Exeter 02822 6b
- Fiskeville 02823 6b
- Forestdale 02824 6b
- Foster 02825 6b
- Glendale 02826 6b
- Greene 02827 6b
- Greenville 02828 6b
- Harmony 02829 6b
- Harrisville 02830 6b
- Hope 02831 6b
- Hope Valley 02832 6b
- Hopkinton 02833 6b
- Jamestown 02835 7a
- Johnston 02919 6b
- Kenyon 02836 7a
- Kingston 02881 6b
- Lincoln 02865 6b
- Little Compton 02837 7a
- Manville 02838 6b
- Mapleville 02839 6b
- Middletown 02842 7a
- Narragansett 02882 7a
- Newport 02840+ 7a
- North Kingstown 02852 7a
- North Providence 02911 6b
- North Scituate 02857 6b
- North Smithfield 02896 6b
- Oakland 02858 6b
- Pascoag 02859 6b
- Pawtucket 02860+ 7a
- Peace Dale 02883 7a
- Portsmouth 02871 7a
- Providence 02901+ 6b–7a
- Prudence Island 02872 7a
- Riverside 02915 7a
- Rockville 02873 6b
- Rumford 02916 7a
- Saunderstown 02874 7a
- Shannock 02875 6b
- Slatersville 02876 6b
- Smithfield 02917 6b
- Tiverton 02878 7a
- Wakefield 02879+ 7a
- Warren 02885 7a
- Warwick 02886+ 7a
- West Greenwich 02817 6b
- West Kingston 02892 6b
- West Warwick 02893 6b
- Westerly 02891 7a
- Wood River Junction 02894 6b
- Woonsocket 02895 6b
- Wyoming 02898 6b
Other states
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
Zones: 2023 USDA Plant Hardiness Zone Map ZIP code data, USDA Agricultural Research Service and the PRISM Climate Group, Oregon State University (official map). Place names: GeoNames (CC BY 4.0). Each ZIP code gets one zone, but a ZIP code can cross a zone line, and hills, valleys and towns can be warmer or colder than the zone shown.
About the Hardiness Zone Map
The Hardiness Zone Map finds your USDA plant hardiness zone, also called your planting or growing zone, from your ZIP code. Zones are based on the average coldest winter night of the year: each zone is 10 °F wide and split into a and b halves of 5 °F, from zone 1a in Alaska to 13b in Puerto Rico. Plant labels and seed packets give the coldest zone a plant can survive, so knowing your zone tells you which perennials, shrubs and trees can stay outside all winter. Zones come from the official 2023 USDA map ZIP code data for all 50 states, Washington DC and Puerto Rico.
How to use it
- 1 Enter your 5-digit ZIP code and press Find my zone.
- 2 Read your zone and the average coldest winter temperature it stands for.
- 3 Open your state to see its zones and the zone of every city.
- 4 Choose plants rated for your zone number or a colder (lower) one.
Frequently asked questions
What growing zone is Rhode Island?
Rhode Island spans zones 6b–7b. Zone 7a is the most common, covering 53% of the state's ZIP codes. Enter your ZIP code above for your exact zone.
What planting zone is Providence, RI?
Providence is in USDA zone 6b–7a, depending on the ZIP code. Its average coldest winter night is -5 to 5 °F.
What planting zone is Warwick, RI?
Warwick is in USDA zone 7a. Its average coldest winter night is 0 to 5 °F.
What planting zone is Cranston, RI?
Cranston is in USDA zone 6b–7a, depending on the ZIP code. Its average coldest winter night is -5 to 5 °F.
What is the coldest zone in Rhode Island?
The coldest part of Rhode Island is zone 6b, with winter lows of -5 to 0 °F. The warmest is zone 7b, at 5 to 10 °F.
How are planting zones worked out?
Each zone is a 10 °F band of the average coldest winter night over 1991–2020, split into a and b halves of 5 °F. The map does not show summer heat, rainfall or frost dates, so check local advice before planting.
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