Topinabee, MI frost dates
How Topinabee compares
- In 8 years out of 10, the last spring frost in Topinabee falls between May 4 and June 5, a 32-day window. The first fall frost falls between September 11 and October 10.
- The median last frost is 16 days later than the Michigan median of May 5.
- Its 129-day growing season is longer than 10% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is 13 days later than the zone 4b median of May 8. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4b chart.
- The weather station records an average of 185 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 4 |
| 50% (median) | May 21 |
| 10% (safe for tender plants) | June 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 11 |
| 50% (median) | September 27 |
| 90% (late) | October 10 |
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 Topinabee, MI
Topinabee, MI frost dates — last frost May 21, first frost Sep 27, zone 4b. whenisthelastfrost.com
When to plant vegetables in Topinabee, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 26 – Mar 12 | Apr 23 – May 7 | — | — |
| Peppers | Mar 12 – Mar 26 | Jun 4 – Jun 18 | — | — |
| Eggplant | Mar 12 – Mar 26 | Jun 4 – Jun 18 | — | — |
| Tomatoes | Mar 26 – Apr 9 | May 28 – Jun 11 | — | — |
| Lettuce | Mar 26 – Apr 9 | Apr 30 – May 14 | Apr 23 – May 28 | Aug 2 – Aug 30 |
| Kale | Mar 26 – Apr 9 | Apr 23 – May 7 | Apr 23 – May 7 | Jul 19 – Aug 9 |
| Broccoli | Mar 26 – Apr 9 | May 7 – May 21 | — | Jun 21 – Jul 12 |
| Cabbage | Mar 26 – Apr 9 | Apr 30 – May 14 | — | Jun 21 – Jul 12 |
| Cauliflower | Mar 26 – Apr 9 | May 7 – May 21 | — | Jun 21 – Jul 12 |
| Okra | Apr 9 – Apr 23 | Jun 11 – Jun 25 | Jun 11 – Jun 25 | — |
| Basil | Apr 9 – Apr 23 | May 28 – Jun 11 | — | — |
| Peas | — | — | Apr 9 – Apr 30 | Jul 5 – Jul 26 |
| Spinach | — | — | Apr 9 – Apr 30 | Aug 2 – Aug 23 |
| Radishes | — | — | Apr 16 – May 28 | Aug 16 – Sep 6 |
| Cucumbers | Apr 23 – Apr 30 | Jun 4 – Jun 11 | May 28 – Jun 11 | Jul 12 – Jul 26 |
| Zucchini & Summer Squash | Apr 23 – Apr 30 | — | May 28 – Jun 11 | Jul 19 – Aug 2 |
| Winter Squash & Pumpkins | Apr 23 – Apr 30 | — | May 28 – Jun 11 | — |
| Melons & Watermelon | Apr 23 – Apr 30 | Jun 4 – Jun 18 | — | — |
| Carrots | — | — | Apr 30 – May 28 | Jul 5 – Jul 19 |
| Beets | — | — | Apr 30 – May 28 | Jul 19 – Aug 2 |
| Potatoes | — | — | Apr 30 – May 21 | — |
| Swiss Chard | — | — | May 7 – Jun 4 | Jul 19 – Aug 2 |
| Cilantro | — | — | May 7 – May 28 | Aug 2 – Aug 23 |
| Green Beans | — | — | May 28 – Jun 18 | Jul 12 – Jul 26 |
| Sweet Corn | — | — | May 28 – Jun 11 | — |
| Sweet Potatoes | — | Jun 4 – Jun 25 | — | — |
| Garlic | — | — | — | Sep 13 – Oct 18 |
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 Pellston Ap #2, MI weather station, 18 km away (elevation 712 ft (217 m)).
Frost dates near Topinabee
- Indian River May 31 · Sep 18
- Mullett Lake May 11 · Oct 11
- Burt Lake May 31 · Sep 18
- Brutus May 31 · Sep 18
- Cheboygan May 11 · Oct 11
- Alanson May 31 · Sep 18
- Afton May 22 · Oct 2
- Oden May 16 · Oct 9
- Pellston May 31 · Sep 18
- Wolverine Jun 7 · Sep 14
Frequently asked questions
When is the last frost in Topinabee, MI?
The median last spring frost in Topinabee, MI is May 21. There is still about a 10% chance of frost after June 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Topinabee, MI?
The median first fall frost is September 27, with about a 10% chance of frost before September 11.
How long is the growing season in Topinabee, MI?
About 129 days between the median last spring frost and first fall frost.
What planting zone is Topinabee, MI?
Topinabee, MI is in USDA hardiness zone 4b.