Last frost date in Madison Heights, MI
The average last frost in Madison Heights is April 21. By May 6 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 31, which leaves 190 frost-free days. An early freeze before October 17 happens one year in ten.
- Safe after (10% risk)
- May 6
- Average first frost
- Oct 31
- Frost-free season
- 190 days
- Hard freeze (28°F) ends
- Apr 8
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2245°
- FriOct 2342°
- SatOct 2444°
- SunOct 2547°
- MonOct 2645°
- TueOct 2742°
- WedOct 2844°
Planting calendar for Madison Heights
Windows count forward or back from the average frost dates above. Click a crop for dates across Michigan.
TomatoesApr 28–May 12
PumpkinsMay 5–May 19
SunflowersApr 21–May 12
CucumbersMay 5–May 12
CornApr 28–May 12
Sweet potatoesMay 12–May 26
WatermelonMay 5–May 19
Green beansApr 28–May 19
ZucchiniApr 28–May 12
OkraMay 12–May 26
PeppersMay 5–May 19
BasilApr 28–May 12
Butternut squashApr 28–May 12
CantaloupeMay 5–May 19
EggplantMay 5–May 19
PotatoesMar 24–Apr 7
OnionsMar 10–Mar 31
CarrotsMar 31–May 5
LettuceApr 7–Apr 28
BroccoliMar 24–Apr 7
BeetsMar 24–May 5
PeasMar 10–Mar 24
CabbageMar 24–Apr 7
RadishesMar 17–Apr 28
Brussels sproutsApr 7–Apr 21
SpinachMar 10–Mar 31
CilantroApr 7–Apr 28
KaleMar 24–Apr 7
Collard greensMar 24–Apr 7
TurnipsMar 24–Apr 7
DillApr 21–May 5
CeleryApr 28–May 5
CauliflowerApr 7–Apr 21
LeeksApr 7–Apr 21
Swiss chardApr 7–May 5
ParsleyApr 7–Apr 28
Tulip bulbsOct 17–Nov 21
GarlicOct 10–Nov 14
Daffodil bulbsOct 3–Nov 14
StrawberriesMar 24–Apr 7
AsparagusMar 24–Apr 7Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 7 | Apr 21 | May 6 | Oct 17 | Oct 31 | Nov 11 |
| Hard freeze, 28°F | Mar 27 | Apr 8 | Apr 22 | Oct 29 | Nov 9 | Nov 23 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Detroit City Airport (USW00014822) sits 8.3 miles from the center of Madison Heights at 626 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Madison Heights, MI?
The average last frost date in Madison Heights is April 21, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 6.
When is the first frost in Madison Heights?
The first frost in fall usually comes around October 31. One year in ten it arrives before October 17.
How long is the growing season in Madison Heights?
About 190 days between the average last and first frost.
When should I plant tomatoes in Madison Heights?
Plant tomato seedlings outside from April 28 to May 12. Start seeds indoors six to eight weeks earlier.
Nearby in Michigan
- Royal OakApr 21
- WarrenApr 21
- Oak ParkApr 27
- TroyApr 26
- Sterling HeightsApr 30
- BirminghamApr 26
- HamtramckApr 21
- SouthfieldMay 1
- EastpointeApr 29
- RosevilleApr 29
- DetroitApr 27
- St. Clair ShoresApr 29