When to plant in Hazel Park, MI
USDA Zone 6bHazel Park, Michigan frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 6b, Hazel Park gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
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 Hazel Park’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 Hazel Park, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 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.
Hazel Park planting FAQ
When is the last spring frost in Hazel Park, MI?
Plan for the last spring frost in Hazel Park around April 21 (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 Hazel Park, MI?
In Hazel Park, the first 32°F freeze of fall lands around October 31 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Hazel Park in?
Hazel Park 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 Hazel Park?
Hazel Park has about 193 frost-free days — a moderate growing season — between the average last spring frost (April 21) and first fall frost (October 31).
When should I plant tomatoes in Hazel Park?
For Hazel Park, sow tomatoes indoors about February 24–March 10 and move the seedlings out around April 28, after the last spring frost.
Never miss a window in Hazel Park
An email when it’s time to start seeds, transplant, and sow — timed to Hazel Park’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at DETROIT CITY AP, 9 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 Hazel Park, MI — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014822. Retrieved from https://blissgarden.com/michigan/hazel-park.