Manistique, MI frost dates
Last spring frostMay 9median date
First fall frostOct 10median date
Growing season154 daysfrost-free
Hardiness zone5aZone 5a
How Manistique compares
- In 8 years out of 10, the last spring frost in Manistique falls between April 27 and May 23, a 26-day window. The first fall frost falls between September 27 and October 27.
- The median last frost is 4 days later than the Michigan median of May 5.
- Its 154-day growing season is longer than 36% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is 6 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 167 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 27 |
| 50% (median) | May 9 |
| 10% (safe for tender plants) | May 23 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 27 |
| 50% (median) | October 10 |
| 90% (late) | October 27 |
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 Manistique, MI
Manistique, MI frost dates — last frost May 9, first frost Oct 10, zone 5a. whenisthelastfrost.com
Crop
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Start indoors: Feb 14 to Feb 28Transplant outside: Apr 11 to Apr 25
Start indoors: Feb 28 to Mar 14Transplant outside: May 23 to Jun 6
Start indoors: Feb 28 to Mar 14Transplant outside: May 23 to Jun 6
Start indoors: Mar 14 to Mar 28Transplant outside: May 16 to May 30
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 18 to May 2Sow outdoors: Apr 11 to May 16Plant for fall: Aug 15 to Sep 12
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 11 to Apr 25Sow outdoors: Apr 11 to Apr 25Plant for fall: Aug 1 to Aug 22
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 25 to May 9Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 18 to May 2Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 25 to May 9Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 28 to Apr 11Transplant outside: May 30 to Jun 13Sow outdoors: May 30 to Jun 13
Start indoors: Mar 28 to Apr 11Transplant outside: May 16 to May 30
Sow outdoors: Mar 28 to Apr 18Plant for fall: Jul 18 to Aug 8
Sow outdoors: Mar 28 to Apr 18Plant for fall: Aug 15 to Sep 5
Sow outdoors: Apr 4 to May 16Plant for fall: Aug 29 to Sep 19
Start indoors: Apr 11 to Apr 18Transplant outside: May 23 to May 30Sow outdoors: May 16 to May 30Plant for fall: Jul 25 to Aug 8
Start indoors: Apr 11 to Apr 18Sow outdoors: May 16 to May 30Plant for fall: Aug 1 to Aug 15
Start indoors: Apr 11 to Apr 18Sow outdoors: May 16 to May 30
Start indoors: Apr 11 to Apr 18Transplant outside: May 23 to Jun 6
Sow outdoors: Apr 18 to May 16Plant for fall: Jul 18 to Aug 1
Sow outdoors: Apr 18 to May 16Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 18 to May 9
Sow outdoors: Apr 25 to May 23Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 25 to May 16Plant for fall: Aug 15 to Sep 5
Sow outdoors: May 16 to Jun 6Plant for fall: Jul 25 to Aug 8
Sow outdoors: May 16 to May 30
Transplant outside: May 23 to Jun 13
Plant for fall: Sep 26 to Oct 31
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Manistique, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 14 – Feb 28 | Apr 11 – Apr 25 | — | — |
| Peppers | Feb 28 – Mar 14 | May 23 – Jun 6 | — | — |
| Eggplant | Feb 28 – Mar 14 | May 23 – Jun 6 | — | — |
| Tomatoes | Mar 14 – Mar 28 | May 16 – May 30 | — | — |
| Lettuce | Mar 14 – Mar 28 | Apr 18 – May 2 | Apr 11 – May 16 | Aug 15 – Sep 12 |
| Kale | Mar 14 – Mar 28 | Apr 11 – Apr 25 | Apr 11 – Apr 25 | Aug 1 – Aug 22 |
| Broccoli | Mar 14 – Mar 28 | Apr 25 – May 9 | — | Jul 4 – Jul 25 |
| Cabbage | Mar 14 – Mar 28 | Apr 18 – May 2 | — | Jul 4 – Jul 25 |
| Cauliflower | Mar 14 – Mar 28 | Apr 25 – May 9 | — | Jul 4 – Jul 25 |
| Okra | Mar 28 – Apr 11 | May 30 – Jun 13 | May 30 – Jun 13 | — |
| Basil | Mar 28 – Apr 11 | May 16 – May 30 | — | — |
| Peas | — | — | Mar 28 – Apr 18 | Jul 18 – Aug 8 |
| Spinach | — | — | Mar 28 – Apr 18 | Aug 15 – Sep 5 |
| Radishes | — | — | Apr 4 – May 16 | Aug 29 – Sep 19 |
| Cucumbers | Apr 11 – Apr 18 | May 23 – May 30 | May 16 – May 30 | Jul 25 – Aug 8 |
| Zucchini & Summer Squash | Apr 11 – Apr 18 | — | May 16 – May 30 | Aug 1 – Aug 15 |
| Winter Squash & Pumpkins | Apr 11 – Apr 18 | — | May 16 – May 30 | — |
| Melons & Watermelon | Apr 11 – Apr 18 | May 23 – Jun 6 | — | — |
| Carrots | — | — | Apr 18 – May 16 | Jul 18 – Aug 1 |
| Beets | — | — | Apr 18 – May 16 | Aug 1 – Aug 15 |
| Potatoes | — | — | Apr 18 – May 9 | — |
| Swiss Chard | — | — | Apr 25 – May 23 | Aug 1 – Aug 15 |
| Cilantro | — | — | Apr 25 – May 16 | Aug 15 – Sep 5 |
| Green Beans | — | — | May 16 – Jun 6 | Jul 25 – Aug 8 |
| Sweet Corn | — | — | May 16 – May 30 | — |
| Sweet Potatoes | — | May 23 – Jun 13 | — | — |
| Garlic | — | — | — | Sep 26 – Oct 31 |
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 Manistique Wwtp, MI weather station, 6 km away (elevation 600 ft (183 m)).
Frost dates near Manistique
- Gulliver May 9 · Oct 10
- Cooks May 16 · Sep 24
- Nahma May 16 · Sep 24
- Germfask May 26 · Sep 30
- Garden May 16 · Sep 24
- Gould City May 26 · Sep 30
- Shingleton May 23 · Oct 10
- Curtis May 26 · Sep 30
- Seney May 27 · Oct 10
- Wetmore May 16 · Oct 14
Frequently asked questions
When is the last frost in Manistique, MI?
The median last spring frost in Manistique, MI is May 9. There is still about a 10% chance of frost after May 23, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Manistique, MI?
The median first fall frost is October 10, with about a 10% chance of frost before September 27.
How long is the growing season in Manistique, MI?
About 154 days between the median last spring frost and first fall frost.
What planting zone is Manistique, MI?
Manistique, MI is in USDA hardiness zone 5a.