When to plant in Farmington, MI
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Farmington, Michigan — all computed from Farmington's nearest NOAA weather station.
In zone 6a, Farmington gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
FARMINGTON · 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 Farmington’s own odds, recorded at FARMINGTON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 27 | May 13 | Apr 30 | Sep 23 | Oct 4 | Oct 17 |
| 32°F | May 16 | May 1 | Apr 19 | Oct 1 | Oct 17 | Oct 29 |
| 28°F | May 5 | Apr 22 | Apr 8 | Oct 15 | Oct 27 | Nov 8 |
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 Farmington, 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.
Farmington planting FAQ
When is the last spring frost in Farmington, MI?
Plan for the last spring frost in Farmington around May 1 (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 Farmington, MI?
Expect Farmington's first fall frost near October 17 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Farmington in?
Farmington is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Farmington?
Farmington has about 169 frost-free days — a moderate growing season — between the average last spring frost (May 1) and first fall frost (October 17).
When should I plant tomatoes in Farmington?
For Farmington, sow tomatoes indoors about March 6–March 20 and move the seedlings out around May 8, after the last spring frost.
Never miss a window in Farmington
An email when it’s time to start seeds, transplant, and sow — timed to Farmington’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Farmington Hills · 3 km
- Livonia · 7 km
- Novi · 9 km
- Southfield · 10 km
- Beverly Hills · 13 km
- Wixom · 14 km
- Garden City · 16 km
- Dearborn Heights · 16 km
Frost dates recorded at FARMINGTON, 1 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 Farmington, MI — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00202691. Retrieved from https://blissgarden.com/michigan/farmington.