Broadlands, IL frost dates
How Broadlands compares
- In 8 years out of 10, the last spring frost in Broadlands falls between April 4 and May 3, a 29-day window. The first fall frost falls between October 5 and November 1.
- The median last frost is 2 days later than the Illinois median of Apr 17.
- Its 183-day growing season is longer than 40% of the 1,287 Illinois places with a regular frost season (state median 187 days).
- The last frost is 10 days earlier than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 126 nights a year at or below 32°F.
- Compared with Champaign, IL, 33 km away, the last frost here is 4 days later than there and the growing season is 9 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 4 |
| 50% (median) | April 19 |
| 10% (safe for tender plants) | May 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 5 |
| 50% (median) | October 19 |
| 90% (late) | November 1 |
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 Broadlands, IL
Broadlands, IL frost dates — last frost Apr 19, first frost Oct 19, zone 6a. whenisthelastfrost.com
When to plant vegetables in Broadlands, IL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 25 – Feb 8 | Mar 22 – Apr 5 | — | — |
| Peppers | Feb 8 – Feb 22 | May 3 – May 17 | — | — |
| Eggplant | Feb 8 – Feb 22 | May 3 – May 17 | — | — |
| Tomatoes | Feb 22 – Mar 8 | Apr 26 – May 10 | — | — |
| Lettuce | Feb 22 – Mar 8 | Mar 29 – Apr 12 | Mar 22 – Apr 26 | Aug 24 – Sep 21 |
| Kale | Feb 22 – Mar 8 | Mar 22 – Apr 5 | Mar 22 – Apr 5 | Aug 10 – Aug 31 |
| Broccoli | Feb 22 – Mar 8 | Apr 5 – Apr 19 | — | Jul 13 – Aug 3 |
| Cabbage | Feb 22 – Mar 8 | Mar 29 – Apr 12 | — | Jul 13 – Aug 3 |
| Cauliflower | Feb 22 – Mar 8 | Apr 5 – Apr 19 | — | Jul 13 – Aug 3 |
| Okra | Mar 8 – Mar 22 | May 10 – May 24 | May 10 – May 24 | — |
| Basil | Mar 8 – Mar 22 | Apr 26 – May 10 | — | — |
| Peas | — | — | Mar 8 – Mar 29 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 8 – Mar 29 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 15 – Apr 26 | Sep 7 – Sep 28 |
| Cucumbers | Mar 22 – Mar 29 | May 3 – May 10 | Apr 26 – May 10 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Mar 22 – Mar 29 | — | Apr 26 – May 10 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Mar 22 – Mar 29 | — | Apr 26 – May 10 | — |
| Melons & Watermelon | Mar 22 – Mar 29 | May 3 – May 17 | — | — |
| Carrots | — | — | Mar 29 – Apr 26 | Jul 27 – Aug 10 |
| Beets | — | — | Mar 29 – Apr 26 | Aug 10 – Aug 24 |
| Potatoes | — | — | Mar 29 – Apr 19 | — |
| Swiss Chard | — | — | Apr 5 – May 3 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 5 – Apr 26 | Aug 24 – Sep 14 |
| Green Beans | — | — | Apr 26 – May 17 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | Apr 26 – May 10 | — |
| Sweet Potatoes | — | May 3 – May 24 | — | — |
| 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 Sidell 4n, IL weather station, 16 km away (elevation 673 ft (205 m)).
Frost dates near Broadlands
- Allerton Apr 19 · Oct 19
- Longview Apr 15 · Oct 20
- Sidney Apr 20 · Oct 21
- Homer Apr 20 · Oct 21
- Newman Apr 15 · Oct 20
- Murdock Apr 15 · Oct 20
- Sidell Apr 19 · Oct 19
- Villa Grove Apr 15 · Oct 20
- Hume Apr 19 · Oct 19
- Philo Apr 19 · Oct 17
Frequently asked questions
When is the last frost in Broadlands, IL?
The median last spring frost in Broadlands, IL is April 19. There is still about a 10% chance of frost after May 3, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Broadlands, IL?
The median first fall frost is October 19, with about a 10% chance of frost before October 5.
How long is the growing season in Broadlands, IL?
About 183 days between the median last spring frost and first fall frost.
What planting zone is Broadlands, IL?
Broadlands, IL is in USDA hardiness zone 6a.