United States Edition

USDA Hardiness Zone 3a

USDA Zone 3a is a zone in the USDA hardiness zones system - this zone system can be very helpful to gardeners as it can be useful in determining if your plants are well suited to your garden's local climate. There are currently 273 gardens being tracked on Folia that are in USDA Zone 3a.

Radish, Tomato, Daylily, Onion, Hybrid Lily, Cucumber, Petunia, Trailing lobelia, Sweet pepper and Bunching onion are examples of plants that often grow very well in this USDA Zone.

Areas recently identified in Folia as being in this zone include Butte (United States), Edmonton (Canada), Calgary (Canada), Edmonton (Canada), Szeged (Hungary), Calgary (Canada), Altona, Manitoba (Canada), Camrose (Canada), Milaca (United States), Winnipeg (Canada), edmonton (Canada), Edmonton (Canada), Calgary (Canada), Calgary (Canada), Calgary (Canada), Edmonton (Canada), Calgary (Canada), Strathmore (Canada), Calgary, AB (Canada), Edmonton (Canada), valetta (Malta), Edmonton (Canada), Prince George (Canada), Tofield (Canada), Prince George (Canada), Airdrie (Canada), Calgary - Hayboro (Canada), Edmonton (Canada), (United States) and Calgary (Canada).

If you are in 3a, lowest temperatures in your garden should be around -40°C [-40°F] to -37°C [-35°F].

The corresponding Sunset zone for 3a is approx. A1.

Hello, new zone 3a gardeners! View all

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New gardens in zone 3a View all

Popular plants for zone 3a gardens

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