What Grows in Grand Forks, ND?
Grand Forks near the Canadian border has one of the coldest climates in the lower 48 states.
Zone
Last frost
First frost
Frost-free days
Grand Forks is in USDA Zone 3b with about 108 frost-free days, and you can grow potatoes, beets, carrots, kale, and more here.
Planting tips for Grand Forks
Very cold — focus on cold-hardy crops. Short season demands fast varieties. Row covers essential.
What to plant, and when
Timing by your frost dates — last frost May 20, first frost September 12.
Cucumber, Pumpkin, Chives
Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion
Potato, Corn, Microgreens, Rhubarb, Mint, Strawberry, Blueberry, Raspberry
Garlic
What grows well in Grand Forks
Cucumber
Grows well
Lettuce
Grows well
Spinach
Grows well
Kale
Grows well
Broccoli
Grows well
Carrot
Grows well
Radish
Grows well
Beets
Grows well
Onion
Grows well
Garlic
Grows well
Potato
Grows well
Corn
Grows well
Peas
Grows well
Cabbage
Grows well
Brussels Sprouts
Grows well
Swiss Chard
Grows well
Arugula
Grows well
Microgreens
Grows well
Pumpkin
Grows well
Leek
Grows well
Asparagus
Grows well
Rhubarb
Grows well
Mint
Grows well
Parsley
Grows well
Cilantro
Grows well
Chives
Grows well
Dill
Grows well
Strawberry
Grows well
Blueberry
Grows well
Raspberry
Grows wellBorderline — needs extra care
Frequently asked questions
What hardiness zone is Grand Forks, ND in?
Grand Forks, ND is in USDA Hardiness Zone 3b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.
When is the last frost in Grand Forks?
The average last spring frost in Grand Forks is around May 20, and the first fall frost is typically September 12. Plan to move tender plants outside after May 20 and have them harvested (or protected) before September 12.
What grows well in Grand Forks?
Plenty — Grand Forks's USDA Zone 3b climate supports 30+ crops. Some of the easiest and most reliable here are Cucumber, Lettuce, Spinach.
How long is Grand Forks's growing season?
Grand Forks typically has around 108 frost-free days per year (roughly May 20 to September 12). That's enough for most annual vegetables if you start warm-season crops indoors and stick to faster-maturing varieties for anything tender.
What should I plant first in Grand Forks?
Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Arugula, Cilantro are among the quickest from seed to harvest in Grand Forks.
Can I grow vegetables in containers in Grand Forks?
Yes — Grand Forks's climate is container-friendly for the right crops. Cucumber, Lettuce, Spinach all do well in pots, which also lets you start them a little earlier and move them in on cold nights.
When should I start seeds indoors in Grand Forks?
For warm-season crops like Cucumber, Kale, Broccoli, start seeds indoors 6–8 weeks before your last frost (around May 20), then transplant after the danger of frost has passed.
What's tricky to grow in Grand Forks?
A few crops need extra care in Grand Forks's climate — Thyme, Sage, Bok Choy are borderline here and may need season extension (row covers, cold frames, or a head start indoors).