When to plant in Roseville, MN
USDA Zone 5aEverything below — frost dates, hardiness zone, and what to plant when in Roseville, Minnesota — is derived from the closest NOAA station with complete climate normals.
In zone 5a, Roseville gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
U OF MN ST PAUL · 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 Roseville’s own odds, recorded at U OF MN ST PAUL.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 24 | May 7 | Apr 25 | Sep 18 | Sep 30 | Oct 14 |
| 32°F | May 14 | Apr 28 | Apr 14 | Sep 25 | Oct 8 | Oct 22 |
| 28°F | May 1 | Apr 18 | Apr 4 | Oct 3 | Oct 21 | Nov 4 |
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 Roseville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 8 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.
Roseville planting FAQ
When is the last spring frost in Roseville, MN?
Roseville's average last spring frost falls near April 28 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Roseville, MN?
In Roseville, the first 32°F freeze of fall lands around October 8 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Roseville in?
Roseville 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 Roseville?
Roseville has about 163 frost-free days — a moderate growing season — between the average last spring frost (April 28) and first fall frost (October 8).
When should I plant tomatoes in Roseville?
For Roseville, sow tomatoes indoors about March 3–March 17 and move the seedlings out around May 5, after the last spring frost.
Never miss a window in Roseville
An email when it’s time to start seeds, transplant, and sow — timed to Roseville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Little Canada · 6 km
- New Brighton · 7 km
- Shoreview · 8 km
- Columbia Heights · 8 km
- Vadnais Heights · 8 km
- St. Paul · 8 km
- Maplewood · 10 km
- Minneapolis · 11 km
Frost dates recorded at U OF MN ST PAUL, 3 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 Roseville, MN — Frost Dates & Zone 5a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00218450. Retrieved from https://blissgarden.com/minnesota/roseville.