Durand, IL frost dates
How Durand compares
- In 8 years out of 10, the last spring frost in Durand falls between April 14 and May 14, a 30-day window. The first fall frost falls between September 28 and October 25.
- The median last frost is 12 days later than the Illinois median of Apr 17.
- Its 166-day growing season is longer than 3% of the 1,287 Illinois places with a regular frost season (state median 187 days).
- The last frost is typical for zone 5b, where the median is May 1.
- The weather station records an average of 151 nights a year at or below 32°F.
- Compared with Rockford, IL, 24 km away, the last frost here is 5 days later than there and the growing season is 10 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 14 |
| 50% (median) | April 29 |
| 10% (safe for tender plants) | May 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 28 |
| 50% (median) | October 12 |
| 90% (late) | October 25 |
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 Durand, IL
Durand, IL frost dates — last frost Apr 29, first frost Oct 12, zone 5b. whenisthelastfrost.com
When to plant vegetables in Durand, IL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 4 – Feb 18 | Apr 1 – Apr 15 | — | — |
| Peppers | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Eggplant | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Tomatoes | Mar 4 – Mar 18 | May 6 – May 20 | — | — |
| Lettuce | Mar 4 – Mar 18 | Apr 8 – Apr 22 | Apr 1 – May 6 | Aug 17 – Sep 14 |
| Kale | Mar 4 – Mar 18 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | Aug 3 – Aug 24 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 4 – Mar 18 | Apr 8 – Apr 22 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 6 – Jul 27 |
| Okra | Mar 18 – Apr 1 | May 20 – Jun 3 | May 20 – Jun 3 | — |
| Basil | Mar 18 – Apr 1 | May 6 – May 20 | — | — |
| Peas | — | — | Mar 18 – Apr 8 | Jul 20 – Aug 10 |
| Spinach | — | — | Mar 18 – Apr 8 | Aug 17 – Sep 7 |
| Radishes | — | — | Mar 25 – May 6 | Aug 31 – Sep 21 |
| Cucumbers | Apr 1 – Apr 8 | May 13 – May 20 | May 6 – May 20 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 1 – Apr 8 | — | May 6 – May 20 | Aug 3 – Aug 17 |
| Winter Squash & Pumpkins | Apr 1 – Apr 8 | — | May 6 – May 20 | — |
| Melons & Watermelon | Apr 1 – Apr 8 | May 13 – May 27 | — | — |
| Carrots | — | — | Apr 8 – May 6 | Jul 20 – Aug 3 |
| Beets | — | — | Apr 8 – May 6 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 8 – Apr 29 | — |
| Swiss Chard | — | — | Apr 15 – May 13 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 15 – May 6 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 6 – May 27 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 6 – May 20 | — |
| Sweet Potatoes | — | May 13 – Jun 3 | — | — |
| Garlic | — | — | — | Sep 28 – Nov 2 |
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 Brodhead Wwtp, WI weather station, 21 km away (elevation 781 ft (238 m)).
Frost dates near Durand
- Davis Apr 29 · Oct 12
- Shirland May 1 · Oct 12
- Rock City Apr 26 · Oct 13
- Pecatonica Apr 26 · Oct 13
- Rockton May 1 · Oct 12
- Loves Park Apr 24 · Oct 17
- Winnebago Apr 24 · Oct 17
- Ridott Apr 26 · Oct 13
- Dakota Apr 26 · Oct 13
- Seward Apr 26 · Oct 13
Frequently asked questions
When is the last frost in Durand, IL?
The median last spring frost in Durand, IL is April 29. There is still about a 10% chance of frost after May 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Durand, IL?
The median first fall frost is October 12, with about a 10% chance of frost before September 28.
How long is the growing season in Durand, IL?
About 166 days between the median last spring frost and first fall frost.
What planting zone is Durand, IL?
Durand, IL is in USDA hardiness zone 5b.