When to plant in Farmington Hills, MI
USDA Zone 6aEverything below — frost dates, hardiness zone, and what to plant when in Farmington Hills, Michigan — is derived from the closest NOAA station with complete climate normals.
Zone 6a means Farmington Hills sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
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 Hills’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 Hills, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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 Hills planting FAQ
When is the last spring frost in Farmington Hills, MI?
On average, the last spring frost in Farmington Hills is around May 1 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Farmington Hills, MI?
The first fall frost in Farmington Hills typically arrives around October 17 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Farmington Hills in?
Farmington Hills 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 Hills?
There are roughly 169 frost-free days in Farmington Hills (a moderate growing season), running from the average last frost around May 1 to the first fall frost near October 17.
When should I plant tomatoes in Farmington Hills?
In Farmington Hills, start tomato seeds indoors around March 6–March 20, then transplant seedlings outdoors around May 8 once the danger of frost has passed.
Never miss a window in Farmington Hills
An email when it’s time to start seeds, transplant, and sow — timed to Farmington Hills’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Farmington · 3 km
- Novi · 9 km
- Southfield · 10 km
- Livonia · 10 km
- Beverly Hills · 12 km
- Wixom · 13 km
- Birmingham · 15 km
- Berkley · 16 km
Frost dates recorded at FARMINGTON, 2 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 Hills, MI — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00202691. Retrieved from https://blissgarden.com/michigan/farmington-hills.