When to plant in Maple Grove, MN
USDA Zone 5aEverything below — frost dates, hardiness zone, and what to plant when in Maple Grove, Minnesota — is derived from the closest NOAA station with complete climate normals.
In zone 5a, Maple Grove gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
MPLS CRYSTAL 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 Maple Grove’s own odds, recorded at MPLS CRYSTAL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 26 | May 9 | Apr 27 | Sep 18 | Sep 29 | Oct 11 |
| 32°F | May 17 | Apr 30 | Apr 17 | Sep 26 | Oct 8 | Oct 21 |
| 28°F | May 5 | Apr 20 | Apr 5 | Oct 4 | Oct 18 | Nov 1 |
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 Maple Grove, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Maple Grove planting FAQ
When is the last spring frost in Maple Grove, MN?
Plan for the last spring frost in Maple Grove around April 30 (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 Maple Grove, MN?
The first fall frost in Maple Grove typically arrives around October 8 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Maple Grove in?
Maple Grove is in USDA hardiness zone 5a. In zone 5a, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in Maple Grove?
Maple Grove has about 161 frost-free days — a moderate growing season — between the average last spring frost (April 30) and first fall frost (October 8).
When should I plant tomatoes in Maple Grove?
For Maple Grove, sow tomatoes indoors about March 5–March 19 and move the seedlings out around May 7, after the last spring frost.
Never miss a window in Maple Grove
An email when it’s time to start seeds, transplant, and sow — timed to Maple Grove’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Brooklyn Park · 9 km
- Champlin · 9 km
- Plymouth · 10 km
- New Hope · 10 km
- Rogers · 12 km
- Crystal · 12 km
- Brooklyn Center · 12 km
- Anoka · 13 km
Frost dates recorded at MPLS CRYSTAL AP, 10 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 Maple Grove, MN — Frost Dates & Zone 5a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00094960. Retrieved from https://blissgarden.com/minnesota/maple-grove.