Connecticut Interactive USDA Plant Hardiness Zone Map

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Connecticut 1990 USDA Hardiness Zone Map

Connecticut USDA Hardiness Zone Map - 1990

View the new 2023 Connecticut Hardiness Zone Map

Zone 5b-15°F to -10°F	Zone 6a-10°F to -5°F	Zone 6b-5°F to 0°F

Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Connecticut which ranges from USDA Zone 5b to USDA Zone 6b.

1990 USDA Hardiness Zone Maps for Neighboring States and Provinces

Related Connecticut Maps:

List of 1990 Hardiness Zones for Cities in Connecticut

Location	Hardiness Zone
Abington	Zone 5b: -15°F to -10°F
Amston	Zone 6a: -10°F to -5°F
Andover	Zone 5b: -15°F to -10°F
Ansonia	Zone 6a: -10°F to -5°F
Ashford	Zone 5b: -15°F to -10°F
Avon	Zone 6a: -10°F to -5°F
Ballouville	Zone 5b: -15°F to -10°F
Baltic	Zone 6a: -10°F to -5°F
Bantam	Zone 5b: -15°F to -10°F
Barkhamsted	Zone 5b: -15°F to -10°F
Beacon Falls	Zone 6a: -10°F to -5°F
Bethany	Zone 6a: -10°F to -5°F
Bethel	Zone 6a: -10°F to -5°F
Bethlehem	Zone 5b: -15°F to -10°F
Bethlehem Village	Zone 5b: -15°F to -10°F
Bloomfield	Zone 6a: -10°F to -5°F
Blue Hills	Zone 6a: -10°F to -5°F
Bolton	Zone 5b: -15°F to -10°F
Botsford	Zone 6a: -10°F to -5°F
Bozrah	Zone 6a: -10°F to -5°F
Branford	Zone 6b: -5°F to 0°F
Branford Center	Zone 6b: -5°F to 0°F
Bridgeport	Zone 6b: -5°F to 0°F
Bridgewater	Zone 5b: -15°F to -10°F
Bristol	Zone 6a: -10°F to -5°F
Broad Brook	Zone 5b: -15°F to -10°F
Brookfield	Zone 6a: -10°F to -5°F
Brooklyn	Zone 6a: -10°F to -5°F
Burlington	Zone 6a: -10°F to -5°F
Byram	Zone 6b: -5°F to 0°F
Canaan	Zone 5b: -15°F to -10°F
Cannondale	Zone 6b: -5°F to 0°F
Canterbury	Zone 6a: -10°F to -5°F
Canton	Zone 6a: -10°F to -5°F
Canton Center	Zone 6a: -10°F to -5°F
Canton Valley	Zone 6a: -10°F to -5°F
Centerbrook	Zone 6a: -10°F to -5°F
Central Manchester	Zone 5b: -15°F to -10°F
Central Somers	Zone 5b: -15°F to -10°F
Central Village	Zone 6a: -10°F to -5°F
Central Waterford	Zone 6a: -10°F to -5°F
Chaplin	Zone 5b: -15°F to -10°F
Cheshire	Zone 6a: -10°F to -5°F
Cheshire Village	Zone 6a: -10°F to -5°F
Chester	Zone 6a: -10°F to -5°F
Chester Center	Zone 6a: -10°F to -5°F
Clinton	Zone 6b: -5°F to 0°F
Cobalt	Zone 6a: -10°F to -5°F
Colchester	Zone 6a: -10°F to -5°F
Colebrook	Zone 5b: -15°F to -10°F
Collinsville	Zone 6a: -10°F to -5°F
Columbia	Zone 5b: -15°F to -10°F
Conning Towers-Nautilus Park	Zone 6a: -10°F to -5°F
Cornwall	Zone 5b: -15°F to -10°F
Cornwall Bridge	Zone 5b: -15°F to -10°F
Cos Cob	Zone 6b: -5°F to 0°F
Coventry	Zone 5b: -15°F to -10°F
Coventry Lake	Zone 5b: -15°F to -10°F
Cromwell	Zone 6a: -10°F to -5°F
Crystal Lake	Zone 5b: -15°F to -10°F
Danbury	Zone 6a: -10°F to -5°F
Danielson	Zone 6a: -10°F to -5°F
Darien	Zone 6b: -5°F to 0°F
Dayville	Zone 6a: -10°F to -5°F
Deep River	Zone 6a: -10°F to -5°F
Deep River Center	Zone 6a: -10°F to -5°F
Derby	Zone 6a: -10°F to -5°F
Durham	Zone 6a: -10°F to -5°F
East Berlin	Zone 6a: -10°F to -5°F
East Brooklyn	Zone 6a: -10°F to -5°F
East Canaan	Zone 5b: -15°F to -10°F
East Glastonbury	Zone 5b: -15°F to -10°F
East Granby	Zone 6a: -10°F to -5°F
East Haddam	Zone 6a: -10°F to -5°F
East Hampton	Zone 6a: -10°F to -5°F
East Hartford	Zone 6a: -10°F to -5°F
East Hartland	Zone 5b: -15°F to -10°F
East Haven	Zone 6b: -5°F to 0°F
East Killingly	Zone 6a: -10°F to -5°F
East Lyme	Zone 6a: -10°F to -5°F
East Norwalk	Zone 6b: -5°F to 0°F
East Windsor	Zone 5b: -15°F to -10°F
East Windsor Hill	Zone 6a: -10°F to -5°F
East Woodstock	Zone 5b: -15°F to -10°F
Eastford	Zone 5b: -15°F to -10°F
Easton	Zone 6b: -5°F to 0°F
Ellington	Zone 5b: -15°F to -10°F
Enfield	Zone 5b: -15°F to -10°F
Essex	Zone 6a: -10°F to -5°F
Essex Village	Zone 6a: -10°F to -5°F
Fabyan	Zone 5b: -15°F to -10°F
Fairfield	Zone 6b: -5°F to 0°F
Falls Village	Zone 5b: -15°F to -10°F
Farmington	Zone 6a: -10°F to -5°F
Fenwick	Zone 6b: -5°F to 0°F
Gales Ferry	Zone 6a: -10°F to -5°F
Gaylordsville	Zone 5b: -15°F to -10°F
Georgetown	Zone 6b: -5°F to 0°F
Gilman	Zone 6a: -10°F to -5°F
Glasgo	Zone 6a: -10°F to -5°F
Glastonbury	Zone 6a: -10°F to -5°F
Glastonbury Center	Zone 6a: -10°F to -5°F
Glenville	Zone 6b: -5°F to 0°F
Goshen	Zone 5b: -15°F to -10°F
Granby	Zone 6a: -10°F to -5°F
Greens Farms	Zone 6b: -5°F to 0°F
Greenwich	Zone 6b: -5°F to 0°F
Grosvenor Dale	Zone 5b: -15°F to -10°F
Groton	Zone 6a: -10°F to -5°F
Groton Long Point	Zone 6a: -10°F to -5°F
Guilford	Zone 6b: -5°F to 0°F
Guilford Center	Zone 6b: -5°F to 0°F
Haddam	Zone 6a: -10°F to -5°F
Hadlyme	Zone 6a: -10°F to -5°F
Hamden	Zone 6a: -10°F to -5°F
Hampton	Zone 5b: -15°F to -10°F
Hanover	Zone 6a: -10°F to -5°F
Hartford	Zone 6a: -10°F to -5°F
Harwinton	Zone 6a: -10°F to -5°F
Hawleyville	Zone 6a: -10°F to -5°F
Hazardville	Zone 5b: -15°F to -10°F
Hebron	Zone 5b: -15°F to -10°F
Heritage Village	Zone 6a: -10°F to -5°F
Higganum	Zone 6a: -10°F to -5°F
Ivoryton	Zone 6a: -10°F to -5°F
Jewett City	Zone 6a: -10°F to -5°F
Kensington	Zone 6a: -10°F to -5°F
Kent	Zone 5b: -15°F to -10°F
Killingly Center	Zone 6a: -10°F to -5°F
Killingworth	Zone 6a: -10°F to -5°F
Lake Pocotopaug	Zone 6a: -10°F to -5°F
Lakeside	Zone 5b: -15°F to -10°F
Lakeville	Zone 5b: -15°F to -10°F
Lebanon	Zone 6a: -10°F to -5°F
Ledyard	Zone 6a: -10°F to -5°F
Lisbon	Zone 6a: -10°F to -5°F
Litchfield	Zone 5b: -15°F to -10°F
Long Hill	Zone 6a: -10°F to -5°F
Madison	Zone 6b: -5°F to 0°F
Madison Center	Zone 6b: -5°F to 0°F
Manchester	Zone 5b: -15°F to -10°F
Mansfield Center	Zone 5b: -15°F to -10°F
Mansfield City	Zone 5b: -15°F to -10°F
Mansfield Depot	Zone 5b: -15°F to -10°F
Marion	Zone 6a: -10°F to -5°F
Marlborough	Zone 6a: -10°F to -5°F
Mashantucket	Zone 6a: -10°F to -5°F
Melrose	Zone 5b: -15°F to -10°F
Meriden	Zone 6a: -10°F to -5°F
Middle Haddam	Zone 6a: -10°F to -5°F
Middlebury	Zone 6a: -10°F to -5°F
Middlefield	Zone 6a: -10°F to -5°F
Middletown	Zone 6a: -10°F to -5°F
Milford	Zone 6b: -5°F to 0°F
Milldale	Zone 6a: -10°F to -5°F
Mohawk Mountain Ski Area	Zone 5b: -15°F to -10°F
Monroe	Zone 6a: -10°F to -5°F
Montville	Zone 6a: -10°F to -5°F
Moodus	Zone 6a: -10°F to -5°F
Moosup	Zone 6a: -10°F to -5°F
Morris	Zone 5b: -15°F to -10°F
Mystic	Zone 6a: -10°F to -5°F
Naugatuck	Zone 6a: -10°F to -5°F
New Britain	Zone 6a: -10°F to -5°F
New Canaan	Zone 6b: -5°F to 0°F
New Fairfield	Zone 6a: -10°F to -5°F
New Hartford	Zone 6a: -10°F to -5°F
New Hartford Center	Zone 6a: -10°F to -5°F
New Haven	Zone 6b: -5°F to 0°F
New London	Zone 6a: -10°F to -5°F
New Milford	Zone 5b: -15°F to -10°F
New Preston	Zone 5b: -15°F to -10°F
Newington	Zone 6a: -10°F to -5°F
Newtown	Zone 6a: -10°F to -5°F
Niantic	Zone 6a: -10°F to -5°F
Noank	Zone 6a: -10°F to -5°F
Norfolk	Zone 5b: -15°F to -10°F
North Branford	Zone 6b: -5°F to 0°F
North Canton	Zone 6a: -10°F to -5°F
North Franklin	Zone 6a: -10°F to -5°F
North Granby	Zone 6a: -10°F to -5°F
North Grosvenor Dale	Zone 5b: -15°F to -10°F
North Haven	Zone 6a: -10°F to -5°F
North Stamford	Zone 6b: -5°F to 0°F
North Stonington	Zone 6a: -10°F to -5°F
North Westchester	Zone 6a: -10°F to -5°F
North Windham	Zone 5b: -15°F to -10°F
Northfield	Zone 5b: -15°F to -10°F
Northford	Zone 6a: -10°F to -5°F
Northwest Harwinton	Zone 5b: -15°F to -10°F
Norwalk	Zone 6b: -5°F to 0°F
Norwich	Zone 6a: -10°F to -5°F
Oakdale	Zone 6a: -10°F to -5°F
Oakville	Zone 6a: -10°F to -5°F
Old Greenwich	Zone 6b: -5°F to 0°F
Old Lyme	Zone 6a: -10°F to -5°F
Old Mystic	Zone 6a: -10°F to -5°F
Old Saybrook	Zone 6a: -10°F to -5°F
Old Saybrook Center	Zone 6a: -10°F to -5°F
Oneco	Zone 6a: -10°F to -5°F
Orange	Zone 6b: -5°F to 0°F
Oxford	Zone 6a: -10°F to -5°F
Oxoboxo River	Zone 6a: -10°F to -5°F
Pawcatuck	Zone 6a: -10°F to -5°F
Pemberwick	Zone 6b: -5°F to 0°F
Pequabuck	Zone 6a: -10°F to -5°F
Pine Meadow	Zone 6a: -10°F to -5°F
Plainfield	Zone 6a: -10°F to -5°F
Plainfield Village	Zone 6a: -10°F to -5°F
Plainville	Zone 6a: -10°F to -5°F
Plantsville	Zone 6a: -10°F to -5°F
Pleasant Valley	Zone 5b: -15°F to -10°F
Plymouth	Zone 6a: -10°F to -5°F
Pomfret	Zone 5b: -15°F to -10°F
Pomfret Center	Zone 5b: -15°F to -10°F
Poquonock	Zone 6a: -10°F to -5°F
Poquonock Bridge	Zone 6a: -10°F to -5°F
Portland	Zone 6a: -10°F to -5°F
Powder Ridge Ski Resort	Zone 6a: -10°F to -5°F
Preston	Zone 6a: -10°F to -5°F
Prospect	Zone 6a: -10°F to -5°F
Putnam	Zone 5b: -15°F to -10°F
Quaker Hill	Zone 6a: -10°F to -5°F
Quinebaug	Zone 5b: -15°F to -10°F
Redding	Zone 6a: -10°F to -5°F
Redding Ridge	Zone 6a: -10°F to -5°F
Ridgefield	Zone 6b: -5°F to 0°F
Riverside	Zone 6b: -5°F to 0°F
Riverton	Zone 5b: -15°F to -10°F
Rockfall	Zone 6a: -10°F to -5°F
Rockville	Zone 5b: -15°F to -10°F
Rocky Hill	Zone 6a: -10°F to -5°F
Rogers	Zone 6a: -10°F to -5°F
Roxbury	Zone 5b: -15°F to -10°F
Salem	Zone 6a: -10°F to -5°F
Salisbury	Zone 5b: -15°F to -10°F
Salmon Brook	Zone 6a: -10°F to -5°F
Sandy Hook	Zone 6a: -10°F to -5°F
Saybrook Manor	Zone 6a: -10°F to -5°F
Scotland	Zone 6a: -10°F to -5°F
Seymour	Zone 6a: -10°F to -5°F
Sharon	Zone 5b: -15°F to -10°F
Shelton	Zone 6a: -10°F to -5°F
Sherman	Zone 5b: -15°F to -10°F
Sherwood Manor	Zone 5b: -15°F to -10°F
Simsbury	Zone 6a: -10°F to -5°F
Simsbury Center	Zone 6a: -10°F to -5°F
Ski Sundown Ski Area	Zone 6a: -10°F to -5°F
Somers	Zone 5b: -15°F to -10°F
Somersville	Zone 5b: -15°F to -10°F
South Britain	Zone 6a: -10°F to -5°F
South Coventry	Zone 5b: -15°F to -10°F
South Glastonbury	Zone 6a: -10°F to -5°F
South Kent	Zone 5b: -15°F to -10°F
South Lyme	Zone 6a: -10°F to -5°F
South Willington	Zone 5b: -15°F to -10°F
South Windham	Zone 6a: -10°F to -5°F
South Windsor	Zone 6a: -10°F to -5°F
South Woodstock	Zone 5b: -15°F to -10°F
Southbury	Zone 6a: -10°F to -5°F
Southington	Zone 6a: -10°F to -5°F
Southport	Zone 6b: -5°F to 0°F
Southwood Acres	Zone 5b: -15°F to -10°F
Stafford	Zone 5b: -15°F to -10°F
Stafford Springs	Zone 5b: -15°F to -10°F
Staffordville	Zone 5b: -15°F to -10°F
Stamford	Zone 6b: -5°F to 0°F
Sterling	Zone 6a: -10°F to -5°F
Stevenson	Zone 6a: -10°F to -5°F
Stonington	Zone 6a: -10°F to -5°F
Storrs	Zone 5b: -15°F to -10°F
Stratford	Zone 6b: -5°F to 0°F
Suffield	Zone 6a: -10°F to -5°F
Suffield Depot	Zone 6a: -10°F to -5°F
Taconic	Zone 5b: -15°F to -10°F
Taftville	Zone 6a: -10°F to -5°F
Tariffville	Zone 6a: -10°F to -5°F
Terramuggus	Zone 6a: -10°F to -5°F
Terryville	Zone 6a: -10°F to -5°F
Thomaston	Zone 6a: -10°F to -5°F
Thompson	Zone 5b: -15°F to -10°F
Thompsonville	Zone 5b: -15°F to -10°F
Tolland	Zone 5b: -15°F to -10°F
Torrington	Zone 5b: -15°F to -10°F
Trumbull	Zone 6b: -5°F to 0°F
Uncasville	Zone 6a: -10°F to -5°F
Unionville	Zone 6a: -10°F to -5°F
Vernon Rockville	Zone 5b: -15°F to -10°F
Versailles	Zone 6a: -10°F to -5°F
Voluntown	Zone 6a: -10°F to -5°F
Wallingford	Zone 6a: -10°F to -5°F
Wallingford Center	Zone 6a: -10°F to -5°F
Washington	Zone 5b: -15°F to -10°F
Washington Depot	Zone 5b: -15°F to -10°F
Waterbury	Zone 6a: -10°F to -5°F
Waterford	Zone 6a: -10°F to -5°F
Watertown	Zone 6a: -10°F to -5°F
Wauregan	Zone 6a: -10°F to -5°F
Weatogue	Zone 6a: -10°F to -5°F
West Cornwall	Zone 5b: -15°F to -10°F
West Granby	Zone 6a: -10°F to -5°F
West Hartford	Zone 6a: -10°F to -5°F
West Hartland	Zone 5b: -15°F to -10°F
West Haven	Zone 6b: -5°F to 0°F
West Mystic	Zone 6a: -10°F to -5°F
West Simsbury	Zone 6a: -10°F to -5°F
West Suffield	Zone 6a: -10°F to -5°F
West Torrington	Zone 5b: -15°F to -10°F
Westbrook	Zone 6a: -10°F to -5°F
Westbrook Center	Zone 6a: -10°F to -5°F
Weston	Zone 6b: -5°F to 0°F
Westport	Zone 6b: -5°F to 0°F
Wethersfield	Zone 6a: -10°F to -5°F
Willimantic	Zone 5b: -15°F to -10°F
Willington Hill	Zone 5b: -15°F to -10°F
Wilton	Zone 6b: -5°F to 0°F
Winchester Center	Zone 5b: -15°F to -10°F
Windham	Zone 6a: -10°F to -5°F
Windsor	Zone 6a: -10°F to -5°F
Windsor Locks	Zone 6a: -10°F to -5°F
Winsted	Zone 5b: -15°F to -10°F
Wolcott	Zone 6a: -10°F to -5°F
Woodbridge	Zone 6a: -10°F to -5°F
Woodbury	Zone 5b: -15°F to -10°F
Woodbury Center	Zone 5b: -15°F to -10°F
Woodbury Ski Area	Zone 5b: -15°F to -10°F
Woodmont	Zone 6b: -5°F to 0°F
Woodstock	Zone 5b: -15°F to -10°F
Woodstock Valley	Zone 5b: -15°F to -10°F
Yantic	Zone 6a: -10°F to -5°F

Tag » What Planting Zone Is Ct

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