Newfoundland and Labrador Plant Hardiness Zones

Hardiness Zones, also referred to as Growing Zones or Planting zones are defined by the U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS). The zones in this map were created in 2010 using mean extreme climate data covering the period of 1981 to 2010.

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Newfoundland and Labrador Hardiness Zones Map

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List of Hardiness Zones for Locations in Newfoundland and Labrador

LocationHardiness Zone
Admirals Beach5a - -28.9°C to -26.1°C
Alderburn4b - -31.7°C to -28.9°C
Anchor Point4a - -34.4°C to -31.7°C
Appleton5a - -28.9°C to -26.1°C
Avondale5a - -28.9°C to -26.1°C
Back Harbour5a - -28.9°C to -26.1°C
Badger3b - -37.2°C to -34.4°C
Badger's Quay5a - -28.9°C to -26.1°C
Baie Verte4b - -31.7°C to -28.9°C
Bay Bulls5a - -28.9°C to -26.1°C
Bay De Verde5a - -28.9°C to -26.1°C
Bay Roberts5a - -28.9°C to -26.1°C
Beachside4b - -31.7°C to -28.9°C
Belleoram5a - -28.9°C to -26.1°C
Birchy Bay5a - -28.9°C to -26.1°C
Bird Cove4a - -34.4°C to -31.7°C
Bishops Falls4b - -31.7°C to -28.9°C
Black Tickle3a - -40°C to -37.2°C
Boat Harbour5a - -28.9°C to -26.1°C
Bonavista5a - -28.9°C to -26.1°C
Botwood4b - -31.7°C to -28.9°C
Bridgeport5a - -28.9°C to -26.1°C
Brighton4b - -31.7°C to -28.9°C
Brigus5a - -28.9°C to -26.1°C
Brown's Arm4b - -31.7°C to -28.9°C
Buchans4b - -31.7°C to -28.9°C
Burgeo6a - -23.3°C to -20.6°C
Burin6a - -23.3°C to -20.6°C
Burnt Islands6a - -23.3°C to -20.6°C
Cape Broyle5a - -28.9°C to -26.1°C
Cape Cove5a - -28.9°C to -26.1°C
Carbonear5a - -28.9°C to -26.1°C
Carmanville5a - -28.9°C to -26.1°C
Cartwright3a - -40°C to -37.2°C
Centreville5a - -28.9°C to -26.1°C
Chance Cove5a - -28.9°C to -26.1°C
Chanceport5a - -28.9°C to -26.1°C
Change Islands5a - -28.9°C to -26.1°C
Chapel Arm5a - -28.9°C to -26.1°C
Charles Brook4b - -31.7°C to -28.9°C
Charlottetown (Division No. 10)3a - -40°C to -37.2°C
Churchill Falls1b - -45.6°C to -42.8°C
Clarke's Beach5a - -28.9°C to -26.1°C
Clarke's Head5a - -28.9°C to -26.1°C
Coachman's Cove4a - -34.4°C to -31.7°C
Codroy Valley5a - -28.9°C to -26.1°C
Coffee Cove4b - -31.7°C to -28.9°C
Colinet5a - -28.9°C to -26.1°C
Colliers5a - -28.9°C to -26.1°C
Come By Chance5a - -28.9°C to -26.1°C
Comfort Cove-Newstead5a - -28.9°C to -26.1°C
Conception Harbour5a - -28.9°C to -26.1°C
Cook's Harbour3b - -37.2°C to -34.4°C
Cormack4a - -34.4°C to -31.7°C
Corner Brook5a - -28.9°C to -26.1°C
Cottrell's Cove5a - -28.9°C to -26.1°C
Cow Head4b - -31.7°C to -28.9°C
Cox's Cove5a - -28.9°C to -26.1°C
Crow Head5a - -28.9°C to -26.1°C
Cupids5a - -28.9°C to -26.1°C
Deadman's Bay5a - -28.9°C to -26.1°C
Deep Bay5a - -28.9°C to -26.1°C
Deer Lake4b - -31.7°C to -28.9°C
Dover5a - -28.9°C to -26.1°C
Duntara5a - -28.9°C to -26.1°C
Dunville6a - -23.3°C to -20.6°C
Durrell5a - -28.9°C to -26.1°C
Eastport5a - -28.9°C to -26.1°C
Embree5a - -28.9°C to -26.1°C
Fairbanks5a - -28.9°C to -26.1°C
Ferryland5a - -28.9°C to -26.1°C
Flower's Cove3b - -37.2°C to -34.4°C
Fogo5a - -28.9°C to -26.1°C
Fortune6a - -23.3°C to -20.6°C
Fox Cove-Mortier6a - -23.3°C to -20.6°C
Fox Roost6a - -23.3°C to -20.6°C
Frederickton5a - -28.9°C to -26.1°C
Gallants4b - -31.7°C to -28.9°C
Gander5a - -28.9°C to -26.1°C
Garnish6a - -23.3°C to -20.6°C
Gillams5a - -28.9°C to -26.1°C
Glenwood5a - -28.9°C to -26.1°C
Glovertown5a - -28.9°C to -26.1°C
Grand Bank6a - -23.3°C to -20.6°C
Grand Falls-Windsor4b - -31.7°C to -28.9°C
Green Cove5a - -28.9°C to -26.1°C
Hampden4b - -31.7°C to -28.9°C
Happy Adventure5a - -28.9°C to -26.1°C
Happy Valley-Goose Bay2b - -42.8°C to -40°C
Harbour Breton6a - -23.3°C to -20.6°C
Harbour Grace5a - -28.9°C to -26.1°C
Harbour Main-Chapel's Cove-Lakeview5a - -28.9°C to -26.1°C
Heart's Content5a - -28.9°C to -26.1°C
Heart's Delight-Islington5a - -28.9°C to -26.1°C
Heart's Desire5a - -28.9°C to -26.1°C
Hermitage-Sandyville6a - -23.3°C to -20.6°C
Holyrood5a - -28.9°C to -26.1°C
Hopedale2a - -45.6°C to -42.8°C
Horwood5a - -28.9°C to -26.1°C
Indian Bay5a - -28.9°C to -26.1°C
Island Harbour5a - -28.9°C to -26.1°C
Isle aux Morts6a - -23.3°C to -20.6°C
Jackson Arm4b - -31.7°C to -28.9°C
Jackson's Arm4a - -34.4°C to -31.7°C
Keels5a - -28.9°C to -26.1°C
King's Point4b - -31.7°C to -28.9°C
Kippens5b - -26.1°C to -23.3°C
L'Anse-au-Clair3b - -37.2°C to -34.4°C
Labrador City1a - -45.6°C to -42.8°C
Lamaline6a - -23.3°C to -20.6°C
Lark Harbour5a - -28.9°C to -26.1°C
Laurenceton4b - -31.7°C to -28.9°C
Lawn6a - -23.3°C to -20.6°C
Leading Tickles4b - -31.7°C to -28.9°C
Lewin's Cove6a - -23.3°C to -20.6°C
Little Bay4b - -31.7°C to -28.9°C
Little Bay East5a - -28.9°C to -26.1°C
Little Bay Islands4b - -31.7°C to -28.9°C
Little Catalina5a - -28.9°C to -26.1°C
Little Harbour5a - -28.9°C to -26.1°C
Lodge Bay3a - -40°C to -37.2°C
Long Harbour-Mount Arlington Heights6a - -23.3°C to -20.6°C
Lord's Cove6a - -23.3°C to -20.6°C
Lushes Bight4b - -31.7°C to -28.9°C
Main Brook3b - -37.2°C to -34.4°C
Makkovik2a - -45.6°C to -42.8°C
Margaree6a - -23.3°C to -20.6°C
Mary’s Harbour3a - -40°C to -37.2°C
Marystown6a - -23.3°C to -20.6°C
McIver's5a - -28.9°C to -26.1°C
Meadows5a - -28.9°C to -26.1°C
Merritt's Harbour5a - -28.9°C to -26.1°C
Miles Cove4b - -31.7°C to -28.9°C
Millertown4a - -34.4°C to -31.7°C
Ming's Bight4b - -31.7°C to -28.9°C
Moore's Cove5a - -28.9°C to -26.1°C
Moreton's Harbour5a - -28.9°C to -26.1°C
Mount Moriah5a - -28.9°C to -26.1°C
Mount Pearl5a - -28.9°C to -26.1°C
Nain (Nunajnguk)1b - -45.6°C to -42.8°C
Natuashish2a - -45.6°C to -42.8°C
New Perlican5a - -28.9°C to -26.1°C
New-Wes-Valley5a - -28.9°C to -26.1°C
Norman's Bay3a - -40°C to -37.2°C
Norris Arm4b - -31.7°C to -28.9°C
Norris Point4b - -31.7°C to -28.9°C
North River (Division No. 1)5a - -28.9°C to -26.1°C
North West River2b - -42.8°C to -40°C
Northern Arm4b - -31.7°C to -28.9°C
Old Perlican -
Paradise River3a - -40°C to -37.2°C
Pasadena5a - -28.9°C to -26.1°C
Peterview4b - -31.7°C to -28.9°C
Petty Harbour-Maddox Cove5a - -28.9°C to -26.1°C
Pilley's Island4b - -31.7°C to -28.9°C
Pinsents Arm3a - -40°C to -37.2°C
Placentia6a - -23.3°C to -20.6°C
Point au Gaul6a - -23.3°C to -20.6°C
Point Lance6a - -23.3°C to -20.6°C
Point May6a - -23.3°C to -20.6°C
Point of Bay4b - -31.7°C to -28.9°C
Port Albert5a - -28.9°C to -26.1°C
Port Anson4b - -31.7°C to -28.9°C
Port au Choix4a - -34.4°C to -31.7°C
Port Aux Basques6a - -23.3°C to -20.6°C
Port Hope Simpson2b - -42.8°C to -40°C
Port Kirwan5a - -28.9°C to -26.1°C
Port Rexton5a - -28.9°C to -26.1°C
Portugal Cove - St. Philip's5a - -28.9°C to -26.1°C
Portugal Cove South5a - -28.9°C to -26.1°C
Pouch Cove6a - -23.3°C to -20.6°C
Purcell's Harbour5a - -28.9°C to -26.1°C
Ramea6a - -23.3°C to -20.6°C
Red Harbour5a - -28.9°C to -26.1°C
Renews-Cappahayden5a - -28.9°C to -26.1°C
Rigolet (Kikiaq)2b - -42.8°C to -40°C
Riverhead5a - -28.9°C to -26.1°C
Rocky Harbour4b - -31.7°C to -28.9°C
Roddickton-Bide Arm4a - -34.4°C to -31.7°C
Rodgers Cove5a - -28.9°C to -26.1°C
Rose Blanche6a - -23.3°C to -20.6°C
Sally's Cove4b - -31.7°C to -28.9°C
Salmon Cove5a - -28.9°C to -26.1°C
Salt Harbour5a - -28.9°C to -26.1°C
Salvage5a - -28.9°C to -26.1°C
Sandringham5a - -28.9°C to -26.1°C
Sandy Cove5a - -28.9°C to -26.1°C
Seal Cove (Fortune Bay)6a - -23.3°C to -20.6°C
Seal Cove (White Bay)4b - -31.7°C to -28.9°C
Sheshatshiu2b - -42.8°C to -40°C
South Brook (Division No. 8)4a - -34.4°C to -31.7°C
South River5a - -28.9°C to -26.1°C
Southern Harbour5a - -28.9°C to -26.1°C
Spaniard's Bay5a - -28.9°C to -26.1°C
Springdale4b - -31.7°C to -28.9°C
St. Anthony3b - -37.2°C to -34.4°C
St. Brendan's5a - -28.9°C to -26.1°C
St. Bride's -
St. John's6a - -23.3°C to -20.6°C
St. Joseph's5a - -28.9°C to -26.1°C
St. Lawrence6a - -23.3°C to -20.6°C
St. Lewis3a - -40°C to -37.2°C
St. Mary's5a - -28.9°C to -26.1°C
St. Shott's5a - -28.9°C to -26.1°C
Stag Harbour5a - -28.9°C to -26.1°C
Stephenville5b - -26.1°C to -23.3°C
Summerford5a - -28.9°C to -26.1°C
Sunnyside5a - -28.9°C to -26.1°C
Templeman5a - -28.9°C to -26.1°C
Three Arms4b - -31.7°C to -28.9°C
Tilting5a - -28.9°C to -26.1°C
Tizzard's Harbour5a - -28.9°C to -26.1°C
Trepassey5a - -28.9°C to -26.1°C
Trinity5a - -28.9°C to -26.1°C
Triton4b - -31.7°C to -28.9°C
Trout River4b - -31.7°C to -28.9°C
Twillingate5a - -28.9°C to -26.1°C
Upper Island Cove5a - -28.9°C to -26.1°C
Valley Pond5a - -28.9°C to -26.1°C
Valleyfield5a - -28.9°C to -26.1°C
Victoria5a - -28.9°C to -26.1°C
Victoria Cove5a - -28.9°C to -26.1°C
Virgin Arm-Carter's Cove5a - -28.9°C to -26.1°C
Wabush1a - -45.6°C to -42.8°C
Westport4b - -31.7°C to -28.9°C
Whiteway5a - -28.9°C to -26.1°C
Wild Cove5a - -28.9°C to -26.1°C
Williams Harbour3a - -40°C to -37.2°C
Winterton5a - -28.9°C to -26.1°C
Witless Bay6a - -23.3°C to -20.6°C
Woody Point4b - -31.7°C to -28.9°C
York Harbour5a - -28.9°C to -26.1°C

Hardiness Zone Maps for Neighboring States

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