Allendale, MI frost dates
How Allendale compares
- In 8 years out of 10, the last spring frost in Allendale falls between April 17 and May 16, a 29-day window. The first fall frost falls between October 5 and November 6.
- The median last frost is 5 days earlier than the Michigan median of May 5.
- Its 177-day growing season is longer than 87% of the 878 Michigan places with a regular frost season (state median 162 days).
- The last frost is typical for zone 6a, where the median is Apr 29.
- The weather station records an average of 134 nights a year at or below 32°F.
- Compared with Wyoming, MI, 19 km away, the last frost here is 6 days earlier than there and the growing season is 20 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 17 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 16 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 5 |
| 50% (median) | October 24 |
| 90% (late) | November 6 |
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 Allendale, MI
Allendale, MI frost dates — last frost Apr 30, first frost Oct 24, zone 6a. whenisthelastfrost.com
When to plant vegetables in Allendale, 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 29 – Sep 26 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 15 – Sep 5 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 18 – Aug 8 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 18 – Aug 8 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 18 – Aug 8 |
| 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 | Aug 1 – Aug 22 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 29 – Sep 19 |
| Radishes | — | — | Mar 26 – May 7 | Sep 12 – Oct 3 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Aug 8 – Aug 22 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 15 – Aug 29 |
| 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 | Aug 1 – Aug 15 |
| Beets | — | — | Apr 9 – May 7 | Aug 15 – Aug 29 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 15 – Aug 29 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 29 – Sep 19 |
| Green Beans | — | — | May 7 – May 28 | Aug 8 – Aug 22 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 10 – Nov 14 |
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 Grand Haven Wwtp, MI weather station, 25 km away (elevation 604 ft (184 m)).
Frost dates near Allendale
- Lamont May 14 · Sep 29
- Coopersville Apr 30 · Oct 24
- Marne May 14 · Sep 29
- Hudsonville May 6 · Oct 10
- Jenison May 6 · Oct 10
- Grandville May 6 · Oct 10
- Jamestown May 6 · Oct 10
- Zeeland Apr 28 · Oct 21
- West Olive Apr 27 · Oct 25
- Wyoming May 6 · Oct 10
Frequently asked questions
When is the last frost in Allendale, MI?
The median last spring frost in Allendale, MI is April 30. There is still about a 10% chance of frost after May 16, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Allendale, MI?
The median first fall frost is October 24, with about a 10% chance of frost before October 5.
How long is the growing season in Allendale, MI?
About 177 days between the median last spring frost and first fall frost.
What planting zone is Allendale, MI?
Allendale, MI is in USDA hardiness zone 6a.