Here's a table of growing season lengths around the country based on frost free days. With a growing season of about six and a half months, only Vancouver and Chilliwack can boast better.

CitySpring'sFall'sGrowing Season
 Last FrostFirst Frost(Length in Days)
Vancouver, BCMar 28Nov 05222
Chilliwack, BCApr 06Nov 09217
Victoria, BCApr 19Nov 05200
Windsor, ONApr 25Oct 22180
Abbotsford, BCApr 24Oct 18177
Nanaimo, BCApr 28Oct 17172
Yarmouth, NSMay 01Oct 18170
Hamilton, ONApr 29Oct 15169
Halifax, NSMay 06Oct 20167
Summerside, PEMay 09Oct 19163
Nelson, BCMay 04Oct 13162
Kingston, ONMay 02Oct 10161
Port Alberni, BCMay 08Oct 15160
Prince Rupert, BCMay 09Oct 13157
Owen Sound, ONMay 12Oct 15156
London, ONMay 09Oct 08152
Ottawa, ONMay 06Oct 05152
Charlottetown, PEMay 17Oct 14150
Toronto, ONMay 09Oct 06150
Corner Brook, NFMay 22Oct 12143
Kentville, NSMay 16Oct 05142
Sydney, NSMay 24Oct 13142
Tadoussac, QCMay 13Oct 02142
Kitchener, ONMay 11Sep 29141
Rimouski, QCMay 13Sep 30140
Saint John, NBMay 18Oct 04139
Quebec, QCMay 13Sep 29139
Edmonton, ABMay 07Sep 23139
Tignish, PEMay 23Oct 09139
Chicoutimi, QCMay 17Sep 30136
St. John's, NFJun 02Oct 12132
Sudbury, ONMay 17Sep 25131
Montreal, QCMay 30Oct 07130
Bathurst, NBMay 19Sep 26130
Medicine Hat, ABMay 16Sep 22129
Trois-Rivieres, QCMay 19Sep 23127
Kamloops, BCJun 01Oct 05126
Moncton, NBMay 24Sep 27126
Fredericton, NBMay 20Sep 22125
Peterborough, ONMay 18Sep 20125
Lethbridge, ABMay 17Sep 18124
Kelowna, BCMay 19Sep 20124
Gander, NFJun 03Oct 05124
Moose Jaw, SKMay 20Sep 18121
North Battleford, SKMay 19Sep 17121
Winnipeg, MBMay 25Sep 22120
Grande Prairie, ABMay 18Sep 13118
Saskatoon, SKMay 21Sep 15117
Grand Falls, NFJun 02Sep 26116
Calgary, ABMay 23Sep 15115
Truro, NSMay 30Sep 21114
The Pas, MBMay 27Sep 17113
Edmundston, NBMay 28Sep 18113
Barrie, ONMay 26Sep 16113
Weyburn, SKMay 22Sep 12113
Regina, SKMay 21Sep 10112
Yellowknife, NTMay 27Sep 15111
Yorkton, SKMay 23Sep 11111
Baie Comeau, QCMay 28Sep 15110
Thetford Mines, QCMay 28Sep 14109
Red Deer, ABMay 25Sep 09107
Brandon, MBMay 27Sep 10106
Thunder Bay, ONJun 01Sep 15106
Sherbrooke, QCJun 01Sep 10101
Peace River, ABMay 26Sep 03100
Prince Albert, SKJun 02Sep 0494
Watson Lake, YTJun 02Sep 0494
Prince George, BCJun 04Sep 0391
Lynn Lake, MBJun 08Sep 0690
Timmins, ONJun 08Sep 0690
Athabasca, ABJun 01Aug 2989
Kapuskasing, ONJun 12Sep 0888
Dawson Creek, BCJun 05Aug 2985
Fort Simpson, NTJun 03Aug 2482
Aklavik, NTJun 13Aug 3179
Dawson, YTJun 13Aug 1765
Tompson, MBJun 15Aug 1662

Dates given are normal averages for a light freeze (29° to 32° F, or -2° to 0° C). Local weather and topography may cause considerable variations. The possibility of frost occurring after the spring dates and before the fall dates is 50 percent. A light freeze kills only tender plants, with little destructive effect on other vegetation.