Frost dates for 48021Eastpointe, MI
The average last spring frost in Eastpointe is April 29 and the average first fall frost is October 22, giving a typical growing season of about 176 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 29
- Average first fall frost
- Oct 22
- Growing season
- 176 days
Safer after May 13 (1-in-10 risk)
Possible by Oct 7 (1-in-10 risk)
Last frost typically in 178 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 25 · May 8 · May 22 | Sep 26 · Oct 10 · Oct 24 | 154 days | 100% |
| Frost / freeze (32°F) | Apr 15 · Apr 29 · May 13 | Oct 7 · Oct 22 · Nov 3 | 176 days | 100% |
| Hard freeze (28°F) | Apr 3 · Apr 16 · May 2 | Oct 19 · Nov 1 · Nov 14 | 198 days | 100% |
Planting calendar for Eastpointe
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 29 – Jun 4 |
| Tomatoes | Transplant outdoors | May 15 – Jul 2 |
| Peppers | Start seeds indoors | Mar 29 – Apr 29 |
| Peppers | Transplant outdoors | May 29 – Jun 29 |
| Eggplant | Start seeds indoors | Apr 15 – May 14 |
| Eggplant | Transplant outdoors | May 29 – Jun 29 |
| Cucumbers | Sow outdoors | May 29 – Jul 12 |
| Summer squash | Sow outdoors | May 15 – Jun 29 |
| Winter squash & pumpkins | Sow outdoors | May 29 – Jun 29 |
| Snap beans | Sow outdoors | May 15 – Aug 4 |
| Sweet corn | Sow outdoors | May 15 – Jul 2 |
| Watermelon & cantaloupe | Sow outdoors | May 29 – Jun 29 |
| Okra | Sow outdoors | May 22 – Jun 14 |
| Peas | Sow outdoors (spring) | Mar 29 – May 14 |
| Potatoes | Plant outdoors (spring) | Mar 29 – May 29 |
| Onions | Start seeds indoors (spring) | Feb 15 – Mar 14 |
| Onions | Transplant outdoors (spring) | Apr 15 – May 14 |
| Broccoli | Start seeds indoors (spring) | Mar 11 – Apr 14 |
| Broccoli | Transplant outdoors (spring) | Apr 15 – May 14 |
| Broccoli | Start seeds indoors (fall) | Jun 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Mar 1 – Mar 29 |
| Cabbage | Transplant outdoors (spring) | Mar 29 – Apr 29 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 29 – Jun 14 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 22 – May 5 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 29 – May 19 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Apr 15 – May 5 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 29 – Jun 14 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 48021 is matched to the NOAA station Grosse Pointe Farms, MI, 8 km away, at 613 ft elevation (9 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Grosse Pointe Farms, MI (used) | 613 ft | Apr 29 | Oct 22 |
| Detroit City Ap, MI | 626 ft | Apr 21 | Oct 31 |
| Mt Clemens Ang Base, MI | 580 ft | Apr 30 | Oct 24 |
| Dearborn #2, MI | 605 ft | Apr 27 | Oct 25 |
Frost dates near Eastpointe
- Harper Woods, MI 48225 · last Apr 29, first Oct 22
- Saint Clair Shores, MI 48080 · last Apr 29, first Oct 22
- Roseville, MI 48066 · last Apr 29, first Oct 22
- Warren, MI 48089 · last Apr 21, first Oct 31
- Detroit, MI 48205 · last Apr 21, first Oct 31
- Grosse Pointe, MI 48236 · last Apr 29, first Oct 22
- Center Line, MI 48015 · last Apr 21, first Oct 31
- Fraser, MI 48026 · last Apr 30, first Oct 24
Frequently asked questions
- When is the last frost in Eastpointe, MI?
- For ZIP code 48021, the average last spring frost (32°F) is April 29, based on NOAA 1991-2020 climate normals for the Grosse Pointe Farms, MI weather station. There is a 1-in-10 chance of a frost after May 13.
- When is the first frost in Eastpointe, MI?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 7, so tender plants are at risk from that point on.
- How long is the growing season in 48021?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 176 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.