Frost dates for 49445 — Muskegon, MI
Last spring frostApr 30median date
First fall frostOct 19median date
Growing season172 daysfrost-free
Hardiness zone6bZone 6b
How Muskegon compares
- In 8 years out of 10, the last spring frost in Muskegon falls between April 17 and May 18, a 31-day window. The first fall frost falls between October 2 and November 3.
- The median last frost is 5 days earlier than the Michigan median of May 5.
- Its 172-day growing season is longer than 75% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is 8 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 130 nights a year at or below 32°F.
- Compared with Wyoming, MI, 63 km away, the last frost here is 6 days earlier than there and the growing season is 15 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 17 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 19 |
| 90% (late) | November 3 |
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 Muskegon, MI
Frost dates for 49445 — Muskegon, MI — last frost Apr 30, first frost Oct 19, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Feb 5 to Feb 19Transplant outside: Apr 2 to Apr 16
Start indoors: Feb 19 to Mar 5Transplant outside: May 14 to May 28
Start indoors: Feb 19 to Mar 5Transplant outside: May 14 to May 28
Start indoors: Mar 5 to Mar 19Transplant outside: May 7 to May 21
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 9 to Apr 23Sow outdoors: Apr 2 to May 7Plant for fall: Aug 24 to Sep 21
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 2 to Apr 16Sow outdoors: Apr 2 to Apr 16Plant for fall: Aug 10 to Aug 31
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 13 to Aug 3
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 9 to Apr 23Plant for fall: Jul 13 to Aug 3
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 13 to Aug 3
Start indoors: Mar 19 to Apr 2Transplant outside: May 21 to Jun 4Sow outdoors: May 21 to Jun 4
Start indoors: Mar 19 to Apr 2Transplant outside: May 7 to May 21
Sow outdoors: Mar 19 to Apr 9Plant for fall: Jul 27 to Aug 17
Sow outdoors: Mar 19 to Apr 9Plant for fall: Aug 24 to Sep 14
Sow outdoors: Mar 26 to May 7Plant for fall: Sep 7 to Sep 28
Start indoors: Apr 2 to Apr 9Transplant outside: May 14 to May 21Sow outdoors: May 7 to May 21Plant for fall: Aug 3 to Aug 17
Start indoors: Apr 2 to Apr 9Sow outdoors: May 7 to May 21Plant for fall: Aug 10 to Aug 24
Start indoors: Apr 2 to Apr 9Sow outdoors: May 7 to May 21
Start indoors: Apr 2 to Apr 9Transplant outside: May 14 to May 28
Sow outdoors: Apr 9 to May 7Plant for fall: Jul 27 to Aug 10
Sow outdoors: Apr 9 to May 7Plant for fall: Aug 10 to Aug 24
Sow outdoors: Apr 9 to Apr 30
Sow outdoors: Apr 16 to May 14Plant for fall: Aug 10 to Aug 24
Sow outdoors: Apr 16 to May 7Plant for fall: Aug 24 to Sep 14
Sow outdoors: May 7 to May 28Plant for fall: Aug 3 to Aug 17
Sow outdoors: May 7 to May 21
Transplant outside: May 14 to Jun 4
Plant for fall: Oct 5 to Nov 9
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Muskegon, MI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 24 – Sep 21 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 10 – Aug 31 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 13 – Aug 3 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 13 – Aug 3 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 13 – Aug 3 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 26 – May 7 | Sep 7 – Sep 28 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 27 – Aug 10 |
| Beets | — | — | Apr 9 – May 7 | Aug 10 – Aug 24 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 24 – Sep 14 |
| Green Beans | — | — | May 7 – May 28 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 5 – Nov 9 |
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 Muskegon Co Ap, MI weather station, 14 km away (elevation 627 ft (191 m)).
ZIP codes in Muskegon: 49440 49441 49442 49443 49444 49445
Frost dates near Muskegon
- Twin Lake May 8 · Oct 11
- Whitehall May 19 · Oct 4
- Sylvan Beach May 19 · Oct 4
- Montague May 19 · Oct 4
- Holton May 8 · Oct 11
- Fruitport Apr 30 · Oct 19
- Spring Lake Apr 30 · Oct 24
- Ferrysburg Apr 30 · Oct 24
Frequently asked questions
When is the last frost in Muskegon, MI?
The median last spring frost in Muskegon, MI is April 30. There is still about a 10% chance of frost after May 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Muskegon, MI?
The median first fall frost is October 19, with about a 10% chance of frost before October 2.
How long is the growing season in Muskegon, MI?
About 172 days between the median last spring frost and first fall frost.
What planting zone is Muskegon, MI?
Muskegon, MI is in USDA hardiness zone 6b.