When to plant in Fenton, MI
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Fenton, Michigan — all computed from Fenton's nearest NOAA weather station.
In zone 6a, Fenton gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
LINDEN WWTP · 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 Fenton’s own odds, recorded at LINDEN WWTP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 30 | May 15 | Apr 30 | Sep 20 | Oct 1 | Oct 13 |
| 32°F | May 20 | May 3 | Apr 21 | Sep 30 | Oct 12 | Oct 28 |
| 28°F | May 9 | Apr 23 | Apr 10 | Oct 10 | Oct 27 | Nov 9 |
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 Fenton, 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.
Fenton planting FAQ
When is the last spring frost in Fenton, MI?
Plan for the last spring frost in Fenton around May 3 (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 Fenton, MI?
Expect Fenton's first fall frost near October 12 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Fenton in?
Fenton 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 Fenton?
Fenton has about 162 frost-free days — a moderate growing season — between the average last spring frost (May 3) and first fall frost (October 12).
When should I plant tomatoes in Fenton?
For Fenton, sow tomatoes indoors about March 8–March 22 and move the seedlings out around May 10, after the last spring frost.
Never miss a window in Fenton
An email when it’s time to start seeds, transplant, and sow — timed to Fenton’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Burton · 24 km
- Flint · 25 km
- Howell · 28 km
- Wixom · 34 km
- South Lyon · 38 km
- Pontiac · 39 km
- Novi · 40 km
- Auburn Hills · 41 km
Frost dates recorded at LINDEN WWTP, 7 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 Fenton, MI — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00204793. Retrieved from https://blissgarden.com/michigan/fenton.