Lanse, MI frost dates
Last spring frostMay 31median date
First fall frostSep 22median date
Growing season114 daysfrost-free
Hardiness zone5aZone 5a
How Lanse compares
- In 8 years out of 10, the last spring frost in Lanse falls between May 12 and June 17, a 36-day window. The first fall frost falls between September 4 and October 9.
- The median last frost is 26 days later than the Michigan median of May 5.
- Its 114-day growing season is among the shortest of the 878 Michigan places with a regular frost season.
- The last frost is 28 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 199 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 12 |
| 50% (median) | May 31 |
| 10% (safe for tender plants) | June 17 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 4 |
| 50% (median) | September 22 |
| 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 Lanse, MI
Lanse, MI frost dates — last frost May 31, first frost Sep 22, zone 5a. whenisthelastfrost.com
Crop
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Start indoors: Mar 8 to Mar 22Transplant outside: May 3 to May 17
Start indoors: Mar 22 to Apr 5Transplant outside: Jun 14 to Jun 28
Start indoors: Mar 22 to Apr 5Transplant outside: Jun 14 to Jun 28
Start indoors: Apr 5 to Apr 19Transplant outside: Jun 7 to Jun 21
Start indoors: Apr 5 to Apr 19Transplant outside: May 10 to May 24Sow outdoors: May 3 to Jun 7Plant for fall: Jul 28 to Aug 25
Start indoors: Apr 5 to Apr 19Transplant outside: May 3 to May 17Sow outdoors: May 3 to May 17Plant for fall: Jul 14 to Aug 4
Start indoors: Apr 5 to Apr 19Transplant outside: May 17 to May 31Plant for fall: Jun 16 to Jul 7
Start indoors: Apr 5 to Apr 19Transplant outside: May 10 to May 24Plant for fall: Jun 16 to Jul 7
Start indoors: Apr 5 to Apr 19Transplant outside: May 17 to May 31Plant for fall: Jun 16 to Jul 7
Start indoors: Apr 19 to May 3Transplant outside: Jun 21 to Jul 5Sow outdoors: Jun 21 to Jul 5
Start indoors: Apr 19 to May 3Transplant outside: Jun 7 to Jun 21
Sow outdoors: Apr 19 to May 10Plant for fall: Jun 30 to Jul 21
Sow outdoors: Apr 19 to May 10Plant for fall: Jul 28 to Aug 18
Sow outdoors: Apr 26 to Jun 7Plant for fall: Aug 11 to Sep 1
Start indoors: May 3 to May 10Transplant outside: Jun 14 to Jun 21Sow outdoors: Jun 7 to Jun 21Plant for fall: Jul 7 to Jul 21
Start indoors: May 3 to May 10Sow outdoors: Jun 7 to Jun 21Plant for fall: Jul 14 to Jul 28
Start indoors: May 3 to May 10Sow outdoors: Jun 7 to Jun 21
Start indoors: May 3 to May 10Transplant outside: Jun 14 to Jun 28
Sow outdoors: May 10 to Jun 7Plant for fall: Jun 30 to Jul 14
Sow outdoors: May 10 to Jun 7Plant for fall: Jul 14 to Jul 28
Sow outdoors: May 10 to May 31
Sow outdoors: May 17 to Jun 14Plant for fall: Jul 14 to Jul 28
Sow outdoors: May 17 to Jun 7Plant for fall: Jul 28 to Aug 18
Sow outdoors: Jun 7 to Jun 28
Sow outdoors: Jun 7 to Jun 21
Transplant outside: Jun 14 to Jul 5
Plant for fall: Sep 8 to Oct 13
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Lanse, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 8 – Mar 22 | May 3 – May 17 | — | — |
| Peppers | Mar 22 – Apr 5 | Jun 14 – Jun 28 | — | — |
| Eggplant | Mar 22 – Apr 5 | Jun 14 – Jun 28 | — | — |
| Tomatoes | Apr 5 – Apr 19 | Jun 7 – Jun 21 | — | — |
| Lettuce | Apr 5 – Apr 19 | May 10 – May 24 | May 3 – Jun 7 | Jul 28 – Aug 25 |
| Kale | Apr 5 – Apr 19 | May 3 – May 17 | May 3 – May 17 | Jul 14 – Aug 4 |
| Broccoli | Apr 5 – Apr 19 | May 17 – May 31 | — | Jun 16 – Jul 7 |
| Cabbage | Apr 5 – Apr 19 | May 10 – May 24 | — | Jun 16 – Jul 7 |
| Cauliflower | Apr 5 – Apr 19 | May 17 – May 31 | — | Jun 16 – Jul 7 |
| Okra | Apr 19 – May 3 | Jun 21 – Jul 5 | Jun 21 – Jul 5 | — |
| Basil | Apr 19 – May 3 | Jun 7 – Jun 21 | — | — |
| Peas | — | — | Apr 19 – May 10 | Jun 30 – Jul 21 |
| Spinach | — | — | Apr 19 – May 10 | Jul 28 – Aug 18 |
| Radishes | — | — | Apr 26 – Jun 7 | Aug 11 – Sep 1 |
| Cucumbers | May 3 – May 10 | Jun 14 – Jun 21 | Jun 7 – Jun 21 | Jul 7 – Jul 21 |
| Zucchini & Summer Squash | May 3 – May 10 | — | Jun 7 – Jun 21 | Jul 14 – Jul 28 |
| Winter Squash & Pumpkins | May 3 – May 10 | — | Jun 7 – Jun 21 | — |
| Melons & Watermelon | May 3 – May 10 | Jun 14 – Jun 28 | — | — |
| Carrots | — | — | May 10 – Jun 7 | Jun 30 – Jul 14 |
| Beets | — | — | May 10 – Jun 7 | Jul 14 – Jul 28 |
| Potatoes | — | — | May 10 – May 31 | — |
| Swiss Chard | — | — | May 17 – Jun 14 | Jul 14 – Jul 28 |
| Cilantro | — | — | May 17 – Jun 7 | Jul 28 – Aug 18 |
| Green Beans | — | — | Jun 7 – Jun 28 | — |
| Sweet Corn | — | — | Jun 7 – Jun 21 | — |
| Sweet Potatoes | — | Jun 14 – Jul 5 | — | — |
| Garlic | — | — | — | Sep 8 – Oct 13 |
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 Herman, MI weather station, 12 km away (elevation 1,716 ft (523 m)).
Frost dates near Lanse
- Baraga May 25 · Sep 23
- Pelkie May 25 · Sep 23
- Skanee Jun 1 · Sep 23
- Covington May 17 · Sep 30
- Chassell Jun 1 · Sep 23
- Watton May 25 · Sep 25
- Nisula May 23 · Oct 1
- Painesdale Jun 1 · Sep 23
- Toivola May 23 · Oct 1
- Michigamme frost any month
Frequently asked questions
When is the last frost in Lanse, MI?
The median last spring frost in Lanse, MI is May 31. There is still about a 10% chance of frost after June 17, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lanse, MI?
The median first fall frost is September 22, with about a 10% chance of frost before September 4.
How long is the growing season in Lanse, MI?
About 114 days between the median last spring frost and first fall frost.
What planting zone is Lanse, MI?
Lanse, MI is in USDA hardiness zone 5a.