Frost dates for 48080 — Saint Clair Shores, MI
How Saint Clair Shores compares
- In 8 years out of 10, the last spring frost in Saint Clair Shores falls between April 15 and May 13, a 28-day window. The first fall frost falls between October 7 and November 3.
- The median last frost is 6 days earlier than the Michigan median of May 5.
- Its 176-day growing season is longer than 85% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is 7 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 124 nights a year at or below 32°F.
- Compared with Warren, MI, 10 km away, the last frost here is 8 days later than there and the growing season is 17 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 15 |
| 50% (median) | April 29 |
| 10% (safe for tender plants) | May 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 7 |
| 50% (median) | October 22 |
| 90% (late) | November 3 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Saint Clair Shores, MI
Frost dates for 48080 — Saint Clair Shores, MI — last frost Apr 29, first frost Oct 22, zone 6b. whenisthelastfrost.com
When to plant vegetables in Saint Clair Shores, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 4 – Feb 18 | Apr 1 – Apr 15 | — | — |
| Peppers | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Eggplant | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Tomatoes | Mar 4 – Mar 18 | May 6 – May 20 | — | — |
| Lettuce | Mar 4 – Mar 18 | Apr 8 – Apr 22 | Apr 1 – May 6 | Aug 27 – Sep 24 |
| Kale | Mar 4 – Mar 18 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | Aug 13 – Sep 3 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 16 – Aug 6 |
| Cabbage | Mar 4 – Mar 18 | Apr 8 – Apr 22 | — | Jul 16 – Aug 6 |
| Cauliflower | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 16 – Aug 6 |
| Okra | Mar 18 – Apr 1 | May 20 – Jun 3 | May 20 – Jun 3 | — |
| Basil | Mar 18 – Apr 1 | May 6 – May 20 | — | — |
| Peas | — | — | Mar 18 – Apr 8 | Jul 30 – Aug 20 |
| Spinach | — | — | Mar 18 – Apr 8 | Aug 27 – Sep 17 |
| Radishes | — | — | Mar 25 – May 6 | Sep 10 – Oct 1 |
| Cucumbers | Apr 1 – Apr 8 | May 13 – May 20 | May 6 – May 20 | Aug 6 – Aug 20 |
| Zucchini & Summer Squash | Apr 1 – Apr 8 | — | May 6 – May 20 | Aug 13 – Aug 27 |
| Winter Squash & Pumpkins | Apr 1 – Apr 8 | — | May 6 – May 20 | — |
| Melons & Watermelon | Apr 1 – Apr 8 | May 13 – May 27 | — | — |
| Carrots | — | — | Apr 8 – May 6 | Jul 30 – Aug 13 |
| Beets | — | — | Apr 8 – May 6 | Aug 13 – Aug 27 |
| Potatoes | — | — | Apr 8 – Apr 29 | — |
| Swiss Chard | — | — | Apr 15 – May 13 | Aug 13 – Aug 27 |
| Cilantro | — | — | Apr 15 – May 6 | Aug 27 – Sep 17 |
| Green Beans | — | — | May 6 – May 27 | Aug 6 – Aug 20 |
| Sweet Corn | — | — | May 6 – May 20 | — |
| Sweet Potatoes | — | May 13 – Jun 3 | — | — |
| Garlic | — | — | — | Oct 8 – Nov 12 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Grosse Pointe Farms, MI weather station, 7 km away (elevation 614 ft (187 m)).
ZIP codes in Saint Clair Shores: 48080 48081 48082
Frost dates near Saint Clair Shores
- Eastpointe Apr 29 · Oct 22
- Harper Woods Apr 29 · Oct 22
- Roseville Apr 29 · Oct 22
- Grosse Pointe Apr 29 · Oct 22
- Fraser Apr 30 · Oct 24
- Center Line Apr 21 · Oct 31
- Warren Apr 21 · Oct 31
- Clinton Township Apr 30 · Oct 24
Frequently asked questions
When is the last frost in Saint Clair Shores, MI?
The median last spring frost in Saint Clair Shores, MI is April 29. There is still about a 10% chance of frost after May 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Saint Clair Shores, MI?
The median first fall frost is October 22, with about a 10% chance of frost before October 7.
How long is the growing season in Saint Clair Shores, MI?
About 176 days between the median last spring frost and first fall frost.
What planting zone is Saint Clair Shores, MI?
Saint Clair Shores, MI is in USDA hardiness zone 6b.