When to plant in Mount Clemens, MI
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Mount Clemens, Michigan — is derived from the closest NOAA station with complete climate normals.
In zone 6b, Mount Clemens gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Mount Clemens is now 7 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MT CLEMENS ANG BASE · 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 Mount Clemens’s own odds, recorded at MT CLEMENS ANG BASE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 28 | May 11 | Apr 28 | Sep 26 | Oct 9 | Oct 24 |
| 32°F | May 15 | Apr 30 | Apr 16 | Oct 7 | Oct 24 | Nov 3 |
| 28°F | May 3 | Apr 18 | Apr 3 | Oct 20 | Nov 3 | Nov 15 |
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 Mount Clemens, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Mount Clemens planting FAQ
When is the last spring frost in Mount Clemens, MI?
Mount Clemens's average last spring frost falls near April 30 — 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 Mount Clemens, MI?
In Mount Clemens, the first 32°F freeze of fall lands around October 24 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Mount Clemens in?
Mount Clemens is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Mount Clemens?
Mount Clemens has about 177 frost-free days — a moderate growing season — between the average last spring frost (April 30) and first fall frost (October 24).
When should I plant tomatoes in Mount Clemens?
For Mount Clemens, 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 Mount Clemens
An email when it’s time to start seeds, transplant, and sow — timed to Mount Clemens’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Fraser · 9 km
- Roseville · 11 km
- St. Clair Shores · 12 km
- Sterling Heights · 12 km
- New Baltimore · 15 km
- Eastpointe · 16 km
- Warren · 17 km
- Grosse Pointe Woods · 18 km
Frost dates recorded at MT CLEMENS ANG BASE, 5 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 Mount Clemens, MI — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014804. Retrieved from https://blissgarden.com/michigan/mount-clemens.