Hardiness Zones
Generally, a plant's ability to withstand cold temperature is called hardiness. It can also include a plants heat tolerance.
Here you will find maps, information and links to global hardiness zones.
US Hardiness Zones
Don't know your zone? Use the US Zone Lookup Tool below.
You can also go to the US National Arboretum for more detailed map information.
Canada Hardiness Zones
An interactive map and information on Canada's gardening plant Hardiness Zones can be found at Canada's Land and Water Information Service.
Australia Hardiness Zones
An average daily maximum and minimum temperature map for Australia. It has drop-down menus to customize your search for map type, area, and/or period. You'll find it at the Australian Government Bureau of Meteorology website.
UK Hardiness Zones
