Marenisco, MI frost dates
Last spring frostMay 26median date
First fall frostSep 27median date
Growing season124 daysfrost-free
Hardiness zone4aZone 4a
How Marenisco compares
- In 8 years out of 10, the last spring frost in Marenisco falls between May 9 and June 8, a 30-day window. The first fall frost falls between September 10 and October 9.
- The median last frost is 21 days later than the Michigan median of May 5.
- Its 124-day growing season is longer than 5% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is 14 days later than the zone 4a median of May 12. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4a chart.
- The weather station records an average of 202 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 9 |
| 50% (median) | May 26 |
| 10% (safe for tender plants) | June 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 10 |
| 50% (median) | September 27 |
| 90% (late) | October 9 |
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 Marenisco, MI
Marenisco, MI frost dates — last frost May 26, first frost Sep 27, zone 4a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Mar 3 to Mar 17Transplant outside: Apr 28 to May 12
Start indoors: Mar 17 to Mar 31Transplant outside: Jun 9 to Jun 23
Start indoors: Mar 17 to Mar 31Transplant outside: Jun 9 to Jun 23
Start indoors: Mar 31 to Apr 14Transplant outside: Jun 2 to Jun 16
Start indoors: Mar 31 to Apr 14Transplant outside: May 5 to May 19Sow outdoors: Apr 28 to Jun 2Plant for fall: Aug 2 to Aug 30
Start indoors: Mar 31 to Apr 14Transplant outside: Apr 28 to May 12Sow outdoors: Apr 28 to May 12Plant for fall: Jul 19 to Aug 9
Start indoors: Mar 31 to Apr 14Transplant outside: May 12 to May 26Plant for fall: Jun 21 to Jul 12
Start indoors: Mar 31 to Apr 14Transplant outside: May 5 to May 19Plant for fall: Jun 21 to Jul 12
Start indoors: Mar 31 to Apr 14Transplant outside: May 12 to May 26Plant for fall: Jun 21 to Jul 12
Start indoors: Apr 14 to Apr 28Transplant outside: Jun 16 to Jun 30Sow outdoors: Jun 16 to Jun 30
Start indoors: Apr 14 to Apr 28Transplant outside: Jun 2 to Jun 16
Sow outdoors: Apr 14 to May 5Plant for fall: Jul 5 to Jul 26
Sow outdoors: Apr 14 to May 5Plant for fall: Aug 2 to Aug 23
Sow outdoors: Apr 21 to Jun 2Plant for fall: Aug 16 to Sep 6
Start indoors: Apr 28 to May 5Transplant outside: Jun 9 to Jun 16Sow outdoors: Jun 2 to Jun 16Plant for fall: Jul 12 to Jul 26
Start indoors: Apr 28 to May 5Sow outdoors: Jun 2 to Jun 16Plant for fall: Jul 19 to Aug 2
Start indoors: Apr 28 to May 5Sow outdoors: Jun 2 to Jun 16
Start indoors: Apr 28 to May 5Transplant outside: Jun 9 to Jun 23
Sow outdoors: May 5 to Jun 2Plant for fall: Jul 5 to Jul 19
Sow outdoors: May 5 to Jun 2Plant for fall: Jul 19 to Aug 2
Sow outdoors: May 5 to May 26
Sow outdoors: May 12 to Jun 9Plant for fall: Jul 19 to Aug 2
Sow outdoors: May 12 to Jun 2Plant for fall: Aug 2 to Aug 23
Sow outdoors: Jun 2 to Jun 23Plant for fall: Jul 12 to Jul 26
Sow outdoors: Jun 2 to Jun 16
Transplant outside: Jun 9 to Jun 30
Plant for fall: Sep 13 to Oct 18
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Marenisco, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 3 – Mar 17 | Apr 28 – May 12 | — | — |
| Peppers | Mar 17 – Mar 31 | Jun 9 – Jun 23 | — | — |
| Eggplant | Mar 17 – Mar 31 | Jun 9 – Jun 23 | — | — |
| Tomatoes | Mar 31 – Apr 14 | Jun 2 – Jun 16 | — | — |
| Lettuce | Mar 31 – Apr 14 | May 5 – May 19 | Apr 28 – Jun 2 | Aug 2 – Aug 30 |
| Kale | Mar 31 – Apr 14 | Apr 28 – May 12 | Apr 28 – May 12 | Jul 19 – Aug 9 |
| Broccoli | Mar 31 – Apr 14 | May 12 – May 26 | — | Jun 21 – Jul 12 |
| Cabbage | Mar 31 – Apr 14 | May 5 – May 19 | — | Jun 21 – Jul 12 |
| Cauliflower | Mar 31 – Apr 14 | May 12 – May 26 | — | Jun 21 – Jul 12 |
| Okra | Apr 14 – Apr 28 | Jun 16 – Jun 30 | Jun 16 – Jun 30 | — |
| Basil | Apr 14 – Apr 28 | Jun 2 – Jun 16 | — | — |
| Peas | — | — | Apr 14 – May 5 | Jul 5 – Jul 26 |
| Spinach | — | — | Apr 14 – May 5 | Aug 2 – Aug 23 |
| Radishes | — | — | Apr 21 – Jun 2 | Aug 16 – Sep 6 |
| Cucumbers | Apr 28 – May 5 | Jun 9 – Jun 16 | Jun 2 – Jun 16 | Jul 12 – Jul 26 |
| Zucchini & Summer Squash | Apr 28 – May 5 | — | Jun 2 – Jun 16 | Jul 19 – Aug 2 |
| Winter Squash & Pumpkins | Apr 28 – May 5 | — | Jun 2 – Jun 16 | — |
| Melons & Watermelon | Apr 28 – May 5 | Jun 9 – Jun 23 | — | — |
| Carrots | — | — | May 5 – Jun 2 | Jul 5 – Jul 19 |
| Beets | — | — | May 5 – Jun 2 | Jul 19 – Aug 2 |
| Potatoes | — | — | May 5 – May 26 | — |
| Swiss Chard | — | — | May 12 – Jun 9 | Jul 19 – Aug 2 |
| Cilantro | — | — | May 12 – Jun 2 | Aug 2 – Aug 23 |
| Green Beans | — | — | Jun 2 – Jun 23 | Jul 12 – Jul 26 |
| Sweet Corn | — | — | Jun 2 – Jun 16 | — |
| Sweet Potatoes | — | Jun 9 – Jun 30 | — | — |
| 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 Bergland Dam, MI weather station, 28 km away (elevation 1,299 ft (396 m)).
Frost dates near Marenisco
- Wakefield May 19 · Sep 28
- Bergland May 26 · Sep 27
- Ramsay May 19 · Sep 28
- Bessemer May 19 · Sep 28
- Ewen May 26 · Sep 27
- Watersmeet May 31 · Sep 19
- Ironwood May 19 · Sep 28
- Bruce Crossing May 31 · Sep 19
- White Pine May 26 · Sep 27
- Trout Creek May 31 · Sep 19
Frequently asked questions
When is the last frost in Marenisco, MI?
The median last spring frost in Marenisco, MI is May 26. 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 Marenisco, MI?
The median first fall frost is September 27, with about a 10% chance of frost before September 10.
How long is the growing season in Marenisco, MI?
About 124 days between the median last spring frost and first fall frost.
What planting zone is Marenisco, MI?
Marenisco, MI is in USDA hardiness zone 4a.