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USDA Hardiness Zone 1

Zone 1 is a zone in the USDA Hardiness climate zone rating system. The USDA Hardiness system can be useful to gardeners in establishing if certain plants are suitable for your garden's microclimate and was originally devised by the US department of agriculture. There are currently 39 gardens being tracked on Folia that are in USDA Zone 1.

Typical example plants that tend to grow vigorously in this zone include Rose, Winter squash, Sweet pepper, French lavender, Basil, Potato, Bean, Carrot, Tomato and Radish.

Some locations recently identified as being in this zone include Sydney campbelltown (Australia), Ljubljana (Slovenia), Raasepori (Finland), Fairbanks (United States), Thompson (Canada), athy (Ireland), Tegal (Indonesia), Kópavogur (Iceland), Warragul (Australia), Murray Bridge (Australia), Melbourne (Australia), Volcano, HI (United States), Eslöv (Sweden), Torino (Italy), Whitehorse (Canada), Kingston, Mona (Jamaica), Brisbane (Australia) and Kutina (Croatia).

If your area is defined as within 1, you typically get low temperatures of between -51°C (-60°F) and -48°C (-54°F)

Zone 1 has a corresponding Sunset zone of A1.

Hello, new zone 1 gardeners! View all


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New gardens in zone 1 View all

Popular plants for zone 1 gardens

More USDA Zones Map


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