When to plant in Hamtramck, MI
USDA Zone 6bHamtramck, Michigan frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6b means Hamtramck sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
DETROIT CITY AP · 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 Hamtramck’s own odds, recorded at DETROIT CITY AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 18 | May 1 | Apr 19 | Oct 2 | Oct 18 | Oct 31 |
| 32°F | May 6 | Apr 21 | Apr 7 | Oct 17 | Oct 31 | Nov 11 |
| 28°F | Apr 22 | Apr 8 | Mar 27 | Oct 29 | Nov 9 | Nov 23 |
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 Hamtramck, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 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.
Hamtramck planting FAQ
When is the last spring frost in Hamtramck, MI?
Hamtramck's average last spring frost falls near April 21 — 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 Hamtramck, MI?
Expect Hamtramck's first fall frost near October 31 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Hamtramck in?
Hamtramck 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 Hamtramck?
There are roughly 193 frost-free days in Hamtramck (a moderate growing season), running from the average last frost around April 21 to the first fall frost near October 31.
When should I plant tomatoes in Hamtramck?
In Hamtramck, start tomato seeds indoors around February 24–March 10, then transplant seedlings outdoors around April 28 once the danger of frost has passed.
Never miss a window in Hamtramck
An email when it’s time to start seeds, transplant, and sow — timed to Hamtramck’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Detroit · 4 km
- Hazel Park · 8 km
- Ferndale · 9 km
- Warren · 11 km
- Grosse Pointe Park · 11 km
- Harper Woods · 11 km
- Eastpointe · 12 km
- Oak Park · 13 km
Frost dates recorded at DETROIT CITY AP, 4 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 Hamtramck, MI — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014822. Retrieved from https://blissgarden.com/michigan/hamtramck.