USDA Zone 3

Northern Minnesota, North Dakota, interior Alaska, high Rockies. Start warm crops indoors; choose 60-70 day varieties.

WINTER LOW

-40°F to -30°F

FROST-FREE DAYS

~120

TYPICAL FROST WINDOW

last ~May 15, first ~Sep 15

Frost dates here are broad averages. Build a dated calendar for your exact spot with the planting calendar generator.

Crops that fit the season

Tomato Bell Pepper Chili Pepper Cucumber Zucchini / Summer Squash Winter Squash Pumpkin Bush Bean Pole Bean Pea Lettuce Spinach

States with large areas in Zone 3

Alaska Colorado Idaho Maine Minnesota Montana New Hampshire New York North Dakota South Dakota Vermont Wisconsin Wyoming