Freeman Spur, IL frost dates
How Freeman Spur compares
- In 8 years out of 10, the last spring frost in Freeman Spur falls between March 21 and April 19, a 29-day window. The first fall frost falls between October 16 and November 8.
- The median last frost is 13 days earlier than the Illinois median of Apr 17.
- Its 206-day growing season is longer than 93% of the 1,287 Illinois places with a regular frost season (state median 187 days).
- The last frost is 12 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 100 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 21 |
| 50% (median) | April 4 |
| 10% (safe for tender plants) | April 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 27 |
| 90% (late) | November 8 |
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 Freeman Spur, IL
Freeman Spur, IL frost dates — last frost Apr 4, first frost Oct 27, zone 7a. whenisthelastfrost.com
When to plant vegetables in Freeman Spur, IL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 10 – Jan 24 | Mar 7 – Mar 21 | — | — |
| Peppers | Jan 24 – Feb 7 | Apr 18 – May 2 | — | — |
| Eggplant | Jan 24 – Feb 7 | Apr 18 – May 2 | — | — |
| Tomatoes | Feb 7 – Feb 21 | Apr 11 – Apr 25 | — | — |
| Lettuce | Feb 7 – Feb 21 | Mar 14 – Mar 28 | Mar 7 – Apr 11 | Sep 1 – Sep 29 |
| Kale | Feb 7 – Feb 21 | Mar 7 – Mar 21 | Mar 7 – Mar 21 | Aug 18 – Sep 8 |
| Broccoli | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Jul 21 – Aug 11 |
| Cabbage | Feb 7 – Feb 21 | Mar 14 – Mar 28 | — | Jul 21 – Aug 11 |
| Cauliflower | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Jul 21 – Aug 11 |
| Okra | Feb 21 – Mar 7 | Apr 25 – May 9 | Apr 25 – May 9 | — |
| Basil | Feb 21 – Mar 7 | Apr 11 – Apr 25 | — | — |
| Peas | — | — | Feb 21 – Mar 14 | Aug 4 – Aug 25 |
| Spinach | — | — | Feb 21 – Mar 14 | Sep 1 – Sep 22 |
| Radishes | — | — | Feb 28 – Apr 11 | Sep 15 – Oct 6 |
| Cucumbers | Mar 7 – Mar 14 | Apr 18 – Apr 25 | Apr 11 – Apr 25 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | — |
| Melons & Watermelon | Mar 7 – Mar 14 | Apr 18 – May 2 | — | — |
| Carrots | — | — | Mar 14 – Apr 11 | Aug 4 – Aug 18 |
| Beets | — | — | Mar 14 – Apr 11 | Aug 18 – Sep 1 |
| Potatoes | — | — | Mar 14 – Apr 4 | — |
| Swiss Chard | — | — | Mar 21 – Apr 18 | Aug 18 – Sep 1 |
| Cilantro | — | — | Mar 21 – Apr 11 | Sep 1 – Sep 22 |
| Green Beans | — | — | Apr 11 – May 2 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | Apr 11 – Apr 25 | — |
| Sweet Potatoes | — | Apr 18 – May 9 | — | — |
| Garlic | — | — | — | Oct 13 – Nov 17 |
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 Rend Lake Dam, IL weather station, 20 km away (elevation 456 ft (139 m)).
Frost dates near Freeman Spur
- Zeigler Apr 6 · Oct 22
- Orient Apr 4 · Oct 27
- Herrin Apr 9 · Oct 22
- West Frankfort Apr 4 · Oct 28
- Johnston City Apr 4 · Oct 28
- Colp Apr 9 · Oct 22
- Energy Apr 9 · Oct 22
- Royalton Apr 6 · Oct 22
- Buckner Apr 4 · Oct 27
- Hurst Apr 9 · Oct 22
Frequently asked questions
When is the last frost in Freeman Spur, IL?
The median last spring frost in Freeman Spur, IL is April 4. There is still about a 10% chance of frost after April 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Freeman Spur, IL?
The median first fall frost is October 27, with about a 10% chance of frost before October 16.
How long is the growing season in Freeman Spur, IL?
About 206 days between the median last spring frost and first fall frost.
What planting zone is Freeman Spur, IL?
Freeman Spur, IL is in USDA hardiness zone 7a.