Gardens Alive! & Supplies
Hardiness Zone 3 - Plants, Vegetables, Fruits & More
Zone 3 on the USDA Hardiness Zones map covers some of the coldest regions in the United States. Gardeners in Zone 3 need to select plants that can withstand severe cold and short growing seasons. Hardy perennials, shrubs, and trees like Siberian iris, peonies, and certain varieties of spruce and pine are well-suited for this challenging climate.
States and regions in Zone 3 include the following:
- Alaska
- Minnesota
- North Dakota
- Montana
- Wisconsin (northern parts)
- Maine (northern parts)
Avg. Temperatures:
Minimum Temp. - negative 40° to negative 30° Fahrenheit
Minimum Temp. - negative 40° to negative 34.4° Celsius
