Rudyard, MI frost dates
How Rudyard compares
- In 8 years out of 10, the last spring frost in Rudyard falls between May 8 and June 10, a 33-day window. The first fall frost falls between September 14 and October 14.
- The median last frost is 19 days later than the Michigan median of May 5.
- Its 130-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 16 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 181 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 8 |
| 50% (median) | May 24 |
| 10% (safe for tender plants) | June 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 14 |
| 50% (median) | October 1 |
| 90% (late) | October 14 |
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 Rudyard, MI
Rudyard, MI frost dates — last frost May 24, first frost Oct 1, zone 4b. whenisthelastfrost.com
When to plant vegetables in Rudyard, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 1 – Mar 15 | Apr 26 – May 10 | — | — |
| Peppers | Mar 15 – Mar 29 | Jun 7 – Jun 21 | — | — |
| Eggplant | Mar 15 – Mar 29 | Jun 7 – Jun 21 | — | — |
| Tomatoes | Mar 29 – Apr 12 | May 31 – Jun 14 | — | — |
| Lettuce | Mar 29 – Apr 12 | May 3 – May 17 | Apr 26 – May 31 | Aug 6 – Sep 3 |
| Kale | Mar 29 – Apr 12 | Apr 26 – May 10 | Apr 26 – May 10 | Jul 23 – Aug 13 |
| Broccoli | Mar 29 – Apr 12 | May 10 – May 24 | — | Jun 25 – Jul 16 |
| Cabbage | Mar 29 – Apr 12 | May 3 – May 17 | — | Jun 25 – Jul 16 |
| Cauliflower | Mar 29 – Apr 12 | May 10 – May 24 | — | Jun 25 – Jul 16 |
| Okra | Apr 12 – Apr 26 | Jun 14 – Jun 28 | Jun 14 – Jun 28 | — |
| Basil | Apr 12 – Apr 26 | May 31 – Jun 14 | — | — |
| Peas | — | — | Apr 12 – May 3 | Jul 9 – Jul 30 |
| Spinach | — | — | Apr 12 – May 3 | Aug 6 – Aug 27 |
| Radishes | — | — | Apr 19 – May 31 | Aug 20 – Sep 10 |
| Cucumbers | Apr 26 – May 3 | Jun 7 – Jun 14 | May 31 – Jun 14 | Jul 16 – Jul 30 |
| Zucchini & Summer Squash | Apr 26 – May 3 | — | May 31 – Jun 14 | Jul 23 – Aug 6 |
| Winter Squash & Pumpkins | Apr 26 – May 3 | — | May 31 – Jun 14 | — |
| Melons & Watermelon | Apr 26 – May 3 | Jun 7 – Jun 21 | — | — |
| Carrots | — | — | May 3 – May 31 | Jul 9 – Jul 23 |
| Beets | — | — | May 3 – May 31 | Jul 23 – Aug 6 |
| Potatoes | — | — | May 3 – May 24 | — |
| Swiss Chard | — | — | May 10 – Jun 7 | Jul 23 – Aug 6 |
| Cilantro | — | — | May 10 – May 31 | Aug 6 – Aug 27 |
| Green Beans | — | — | May 31 – Jun 21 | Jul 16 – Jul 30 |
| Sweet Corn | — | — | May 31 – Jun 14 | — |
| Sweet Potatoes | — | Jun 7 – Jun 28 | — | — |
| 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 Rudyard 4n, MI weather station, 18 km away (elevation 755 ft (230 m)).
Frost dates near Rudyard
- Brimley May 24 · Oct 1
- Trout Lake May 21 · Oct 1
- Kinross May 24 · Oct 1
- Eckerman May 31 · Oct 1
- Moran May 23 · Sep 30
- Saint Ignace May 23 · Sep 30
- Hulbert frost any month
- Kincheloe May 24 · Oct 1
- Dafter May 24 · Oct 1
- Pickford May 31 · Sep 25
Frequently asked questions
When is the last frost in Rudyard, MI?
The median last spring frost in Rudyard, MI is May 24. There is still about a 10% chance of frost after June 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Rudyard, 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 Rudyard, MI?
About 130 days between the median last spring frost and first fall frost.
What planting zone is Rudyard, MI?
Rudyard, MI is in USDA hardiness zone 4b.