USDA Plant Hardiness Zone

1a: Icy Tundra

A vast, open landscape where only the hardiest plants survive the extreme cold.

Discover the unique characteristics of USDA Zone 1a, known for its extremely cold temperatures. With proper planning and care, this zone offers opportunities for homesteading, farming, and agriculture in harsh climates.

Zone 1a Statistics

Due to the extreme cold, traditional crops are not viable in Zone 1a; however, cold-hardy ornamentals and certain types of moss and lichen can survive.

First Frost Date
Early August
Last Frost Date
Late June
Growing Season Days
Average Annual Rainfall
12 inches
Average Summer Temperature
Average Winter Temperature
Zone Min Temperature
-50°F to -60°F
Annual Sunshine Hours

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