Toivola, MI frost dates
How Toivola compares
- In 8 years out of 10, the last spring frost in Toivola falls between May 6 and June 8, a 33-day window. The first fall frost falls between September 14 and October 16.
- The median last frost is 18 days later than the Michigan median of May 5.
- Its 131-day growing season is longer than 12% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is 20 days later than the zone 5a median of May 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5a chart.
- The weather station records an average of 186 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 6 |
| 50% (median) | May 23 |
| 10% (safe for tender plants) | June 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 14 |
| 50% (median) | October 1 |
| 90% (late) | October 16 |
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 Toivola, MI
Toivola, MI frost dates — last frost May 23, first frost Oct 1, zone 5a. whenisthelastfrost.com
When to plant vegetables in Toivola, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 28 – Mar 14 | Apr 25 – May 9 | — | — |
| Peppers | Mar 14 – Mar 28 | Jun 6 – Jun 20 | — | — |
| Eggplant | Mar 14 – Mar 28 | Jun 6 – Jun 20 | — | — |
| Tomatoes | Mar 28 – Apr 11 | May 30 – Jun 13 | — | — |
| Lettuce | Mar 28 – Apr 11 | May 2 – May 16 | Apr 25 – May 30 | Aug 6 – Sep 3 |
| Kale | Mar 28 – Apr 11 | Apr 25 – May 9 | Apr 25 – May 9 | Jul 23 – Aug 13 |
| Broccoli | Mar 28 – Apr 11 | May 9 – May 23 | — | Jun 25 – Jul 16 |
| Cabbage | Mar 28 – Apr 11 | May 2 – May 16 | — | Jun 25 – Jul 16 |
| Cauliflower | Mar 28 – Apr 11 | May 9 – May 23 | — | Jun 25 – Jul 16 |
| Okra | Apr 11 – Apr 25 | Jun 13 – Jun 27 | Jun 13 – Jun 27 | — |
| Basil | Apr 11 – Apr 25 | May 30 – Jun 13 | — | — |
| Peas | — | — | Apr 11 – May 2 | Jul 9 – Jul 30 |
| Spinach | — | — | Apr 11 – May 2 | Aug 6 – Aug 27 |
| Radishes | — | — | Apr 18 – May 30 | Aug 20 – Sep 10 |
| Cucumbers | Apr 25 – May 2 | Jun 6 – Jun 13 | May 30 – Jun 13 | Jul 16 – Jul 30 |
| Zucchini & Summer Squash | Apr 25 – May 2 | — | May 30 – Jun 13 | Jul 23 – Aug 6 |
| Winter Squash & Pumpkins | Apr 25 – May 2 | — | May 30 – Jun 13 | — |
| Melons & Watermelon | Apr 25 – May 2 | Jun 6 – Jun 20 | — | — |
| Carrots | — | — | May 2 – May 30 | Jul 9 – Jul 23 |
| Beets | — | — | May 2 – May 30 | Jul 23 – Aug 6 |
| Potatoes | — | — | May 2 – May 23 | — |
| Swiss Chard | — | — | May 9 – Jun 6 | Jul 23 – Aug 6 |
| Cilantro | — | — | May 9 – May 30 | Aug 6 – Aug 27 |
| Green Beans | — | — | May 30 – Jun 20 | Jul 16 – Jul 30 |
| Sweet Corn | — | — | May 30 – Jun 13 | — |
| Sweet Potatoes | — | Jun 6 – Jun 27 | — | — |
| Garlic | — | — | — | Sep 17 – Oct 22 |
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 Greenland 6n, MI weather station, 19 km away (elevation 791 ft (241 m)).
Frost dates near Toivola
- Nisula May 23 · Oct 1
- Painesdale Jun 1 · Sep 23
- Pelkie May 25 · Sep 23
- South Range May 17 · Oct 1
- Baraga May 25 · Sep 23
- Mass City May 23 · Oct 1
- Greenland May 27 · Oct 1
- Chassell Jun 1 · Sep 23
- Atlantic Mine May 17 · Oct 1
- Dodgeville May 17 · Oct 1
Frequently asked questions
When is the last frost in Toivola, MI?
The median last spring frost in Toivola, MI is May 23. There is still about a 10% chance of frost after June 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Toivola, MI?
The median first fall frost is October 1, with about a 10% chance of frost before September 14.
How long is the growing season in Toivola, MI?
About 131 days between the median last spring frost and first fall frost.
What planting zone is Toivola, MI?
Toivola, MI is in USDA hardiness zone 5a.