When to plant in West Fargo, ND
USDA Zone 4aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for West Fargo, North Dakota — all computed from West Fargo's nearest NOAA weather station.
In zone 4a, West Fargo winters are severe; choose cold-hardy perennials and time annuals carefully around the frost dates above.
Frost probability
FARGO 3S · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are West Fargo’s own odds, recorded at FARGO 3S.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 26 | May 13 | May 2 | Sep 12 | Sep 24 | Oct 5 |
| 32°F | May 18 | May 4 | Apr 21 | Sep 22 | Oct 2 | Oct 15 |
| 28°F | May 9 | Apr 25 | Apr 10 | Sep 29 | Oct 12 | Oct 26 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in West Fargo, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 12 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
West Fargo planting FAQ
When is the last spring frost in West Fargo, ND?
Plan for the last spring frost in West Fargo around May 4 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in West Fargo, ND?
Expect West Fargo's first fall frost near October 2 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is West Fargo in?
West Fargo is in USDA hardiness zone 4a. In zone 4a, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in West Fargo?
West Fargo has about 151 frost-free days — a moderate growing season — between the average last spring frost (May 4) and first fall frost (October 2).
When should I plant tomatoes in West Fargo?
For West Fargo, sow tomatoes indoors about March 9–March 23 and move the seedlings out around May 11, after the last spring frost.
Never miss a window in West Fargo
An email when it’s time to start seeds, transplant, and sow — timed to West Fargo’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Fargo · 6 km
- Moorhead · 12 km
- Detroit Lakes · 81 km
- Fergus Falls · 90 km
- Grand Forks · 119 km
- Jamestown · 136 km
- Alexandria · 160 km
- Bemidji · 168 km
Frost dates recorded at FARGO 3S, 9 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in West Fargo, ND — Frost Dates & Zone 4a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00322860. Retrieved from https://blissgarden.com/north-dakota/west-fargo.