United States Edition

USDA Hardiness Zone 4a

4a is a zone in the USDA Climate Zone system and can be used to help assess if certain plants will grow well in your area. There are presently 403 gardens on Folia marked as being in USDA Zone 4a.

Typical example plants that tend to grow vigorously in this zone include Basil, Tomato, Carrot, Onion, Cucumber, Chili pepper, Bean, Sweet pepper, Lettuce and Radish.

Areas recently identified in Folia as being in this zone include Lankin, ND (United States), backer city OR (United States), L'Islet (Canada), Jackson, mi (United States), Saint-Sylvestre (Canada), Colorado Springs (United States), Bangor, Wisconsin (United States), Coon Rapids (United States), Eagan (United States), tecumseh (Canada), Bloomington (United States), Bozeman (United States), Eau claire wi (United States), Basin (United States), Wolcott (United States), Saint Paul (United States), Williston (United States), Calgary (Canada), Minneapolis (United States), Orillia (Canada), Alexandria, Douglas County (United States), Eagan MN (United States), Huntsville (Canada), Idaho Falls (United States), houlton (United States), Minneapolis (United States), Lethbridge (Canada), Maple Grove (United States), Shoreview, MN (United States) and St Paul (United States).

If your area is defined as within 4a, you typically get low temperatures of between -34°C (-29°F) and -31°C (-24°F)

Zone 4a has a corresponding Sunset zone of A1.

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