USDA Zone 4

Upper Midwest, northern New England, mountain West. Most warm crops need an indoor head start.

WINTER LOW

-30°F to -20°F

FROST-FREE DAYS

~135

TYPICAL FROST WINDOW

last ~May 10, first ~Sep 25

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 4

Alaska Arizona Colorado Idaho Iowa Maine Michigan Minnesota Montana Nebraska Nevada New Hampshire New Mexico New York North Dakota Oregon South Dakota Utah Vermont Washington Wisconsin Wyoming