Frost dates in North Dakota
Average last frost dates in North Dakota run from May 4 in Fargo to May 21 in Williston.
| Place | Last frost | First frost |
|---|---|---|
| Bismarck | May 10 | Sept 30 |
| Dickinson | May 20 | Sept 22 |
| Fargo | May 4 | Oct 2 |
| Grand Forks | May 10 | Oct 1 |
| Jamestown | May 8 | Sept 29 |
| Mandan | May 13 | Sept 27 |
| Minot | May 10 | Oct 1 |
| West Fargo | May 4 | Oct 2 |
| Williston | May 21 | Sept 21 |
Source: NOAA U.S. Climate Normals 1991–2020, nearest station to each place. Places of 10,000+ people (US Census Bureau, 2024 estimates) within 50 miles of a station.
When to plant in North Dakota
- Asparagus
- Lima Beans
- Green Beans
- Beets
- Broccoli
- Brussels Sprouts
- Cabbage
- Chinese Cabbage
- Carrots
- Cauliflower
- Celery
- Swiss Chard
- Collard Greens
- Sweet Corn
- Cucumbers
- Eggplant
- Garlic
- Kale
- Leeks
- Lettuce
- Cantaloupe
- Okra
- Onions
- Onion Sets
- Peas
- Black-Eyed Peas
- Peppers
- Potatoes
- Radishes
- Rhubarb
- Spinach
- Summer Squash (Zucchini)
- Winter Squash
- Sweet Potatoes
- Tomatoes
- Turnips
- Watermelon