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 337 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 Basin (United States), Wolcott (United States), Alexandria, Minnesota (United States), Saint Paul (United States), Williston (United States), Calgary (Canada), Minneapolis (United States), Orillia (Canada), 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), St Paul (United States), Pickering (Canada), Minot (United States), Grand Forks (United States), mahtomedi (United States), Burnsville (United States), Claverack NY (United States), Mahtomedi (United States), Eau Claire (United States), Eden Prairie, MN (United States), Gatineau (Canada), (Canada), Grand Forks (United States) and red wing (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.

Hello, new zone 4a gardeners! View all

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New gardens in zone 4a View all

  • mpsprengeler's Wooded hillside garden

    Wooded hillside garden

    Zone 4a Northeast corner of the property, to the east of the driveways and between the driveways. It is a wooded knoll, populated mainly by ash and elm tre...

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  • mpsprengeler's Northwest pasture garden

    Northwest pasture garden

    Zone 4a Former horse pasture covered with purple clover or timothy or something. We're slowly switching over to native plants. It is adjacent to the front...

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  • mpsprengeler's Garage Window garden

    Garage Window garden

    Zone 4a Now that I have a south-facing window that's out of the way I thought it might be useful for growing a few small, easy things over the winter, like...

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  • wyobasin's Basin garden

    Basin garden

    Zone 4a USDA Hardiness Zone: 4; Last Frost Date (Spring 2014): 5/31; First Frost Date (Fall 2014): 9/9; Average Growing Season: 107 days.

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  • Plandemonium's Container garden

    Container garden

    Zone 4a

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Popular plants for zone 4a gardens

More USDA Zones Map

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