Please read on the future of Folia:
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 424 gardens on Folia marked as being in USDA Zone 4a.

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

Areas recently identified in Folia as being in this zone include Ten Sleep, WY (United States), Calpe (Spain), 8 Roman Paddock Bedfordshire (India), 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) and Lethbridge (Canada).

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


Join our Garden Tracking community!

Folia is the best Garden Tracking community on the web - sign up for a free account today, or take our Tour to find out more.

New gardens in zone 4a View all

Popular plants for zone 4a gardens

More USDA Zones Map


Canadian Gardening magazine logo

After browsing, you could be tossing out your paper-based gardening is the facebook for gardeners.

More buzz about us...

Latest Activity

Folia Badges and Widgets

Folia Blog Widgets

Want some super cool badges to stick on your blog? What about a funky widget that shows everyone what you are growing? Sounds like you need to get over to our Goodies page pronto!

Tour | About | Help & Support | Contact | Terms | Privacy | Community Guidelines | Goodies

Homegrown by Nic & Nath All photos and content © their respective owners.

Free Gardening database | Free garden organizer | Vegetable garden software | Mobile gardening app

Popular Plants: Tomato | Sweet pepper | Chili pepper | Basil | Bean | Cucumber | Rose | Carrot | Lettuce | Onion | Daylily | Strawberry | Spinach | Potato | Radish