Subarctic

What Can Grow in Zone 2a

Very cold continental climate. Gardening season is short but productive with proper planning and cold-hardy varieties.

Zone 2a has average winter lows of -50°F to -45°F (-46°C to -43°C). You can grow kale, cabbage, radishes, and many more plants. The frost-free growing season lasts about 75 days.

-50°FWinter Low
-45°FWinter High
75 daysFrost-Free
May 25Last Frost
August 10First Frost
🥕 Vegetables
kale cabbage radishes turnips lettuce spinach peas beets
🍎 Fruits
gooseberries currants saskatoon berries wild strawberries
🌿 Herbs
chives mint dill parsley lovage
🌸 Flowers
pansies snapdragons marigolds bachelor buttons
🌳 Trees & Shrubs
white spruce balsam poplar paper birch green ash
💡 Planting Tips

Direct sow cold-tolerant crops as soon as soil can be worked. Start tomatoes and peppers indoors 10-12 weeks before last frost.

🌱
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📍 States in Zone 2a
AlaskaMinnesota
🔀 Neighboring Zones
1b2b

Frequently Asked Questions

USDA Zone 2a has average annual minimum temperatures of -50°F to -45°F (-46°C to -43°C). This temperature range determines which perennial plants can survive winter outdoors.

The average last frost date in Zone 2a is around May 25, and the first fall frost typically arrives around August 10. This gives a frost-free growing season of approximately 75 days.

Zone 2a is well-suited for kale, cabbage, radishes, turnips, lettuce, spinach. Direct sow cold-tolerant crops as soon as soil can be worked. Start tomatoes and peppers indoors 10-12 weeks before last frost.

Fruits that thrive in Zone 2a include gooseberries, currants, saskatoon berries, wild strawberries. Always check that specific cultivars are hardy to your zone before planting perennial fruit trees and shrubs.