When to plant in Hibbing, MN
USDA Zone 3bEverything below — frost dates, hardiness zone, and what to plant when in Hibbing, Minnesota — is derived from the closest NOAA station with complete climate normals.
A ~95-day frost-free window makes Hibbing a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Zone 3b is cold — in Hibbing, most perennials must be fully hardy, and your frost dates set a tight window for tender annual vegetables.
Frost probability
HIBBING CHISHOLM HIBBING AP · 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 Hibbing’s own odds, recorded at HIBBING CHISHOLM HIBBING AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 32°F | Jun 25 | Jun 5 | May 22 | Aug 23 | Sep 8 | Sep 23 |
| 28°F | Jun 7 | May 23 | May 6 | Sep 4 | Sep 21 | Oct 5 |
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 Hibbing, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 44 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.
Hibbing planting FAQ
When is the last spring frost in Hibbing, MN?
Plan for the last spring frost in Hibbing around June 5 (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 Hibbing, MN?
The first fall frost in Hibbing typically arrives around September 8 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Hibbing in?
Hibbing is in USDA hardiness zone 3b. In zone 3b, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in Hibbing?
There are roughly 95 frost-free days in Hibbing (a short growing season), running from the average last frost around June 5 to the first fall frost near September 8.
When should I plant tomatoes in Hibbing?
In Hibbing, start tomato seeds indoors around April 10–April 24, then transplant seedlings outdoors around June 12 once the danger of frost has passed.
Never miss a window in Hibbing
An email when it’s time to start seeds, transplant, and sow — timed to Hibbing’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Grand Rapids · 48 km
- Cloquet · 82 km
- Hermantown · 85 km
- Duluth · 93 km
- Superior · 102 km
- Bemidji · 146 km
- Brainerd · 150 km
- Cambridge · 205 km
Frost dates recorded at HIBBING CHISHOLM HIBBING AP, 8 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 Hibbing, MN — Frost Dates & Zone 3b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00094931. Retrieved from https://blissgarden.com/minnesota/hibbing.