What Can Grow in Grand Forks, ND

Grand Forks near the Canadian border has one of the coldest climates in the lower 48 states.

Grand Forks, ND is in USDA Hardiness Zone 3b. The growing season lasts about 108 days, with last frost around May 20 and first fall frost around September 12. Top crops include potatoes, beets, carrots.

3bUSDA Zone
108 daysFrost-Free
May 20Last Frost
September 12First Frost
🌱 What Grows in Grand Forks
potatoesbeetscarrotskaleradishespeas
💡 Planting Tips

Very cold — focus on cold-hardy crops. Short season demands fast varieties. Row covers essential.

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🔗 More Resources
📍 Full Zone 3b Guide 🌎 North Dakota Planting Guide

Frequently Asked Questions

Grand Forks, ND is in USDA Plant Hardiness Zone 3b. Grand Forks near the Canadian border has one of the coldest climates in the lower 48 states.

The average last spring frost in Grand Forks is around May 20. The first fall frost typically arrives around September 12, giving a frost-free growing season of approximately 108 days.

Grand Forks's Zone 3b climate supports growing potatoes, beets, carrots, kale, radishes, peas. Very cold — focus on cold-hardy crops. Short season demands fast varieties. Row covers essential.

In Grand Forks, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of May 20. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.