Leon, KS frost dates
How Leon compares
- In 8 years out of 10, the last spring frost in Leon falls between March 28 and April 27, a 30-day window. The first fall frost falls between October 11 and November 7.
- The median last frost is 5 days earlier than the Kansas median of Apr 18.
- Its 195-day growing season is longer than 73% of the 632 Kansas places with a regular frost season (state median 187 days).
- The last frost is typical for zone 7a, where the median is Apr 16.
- The weather station records an average of 112 nights a year at or below 32°F.
- Compared with Wichita, KS, 52 km away, the last frost here is 2 days later than there and the growing season is 6 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 28 |
| 50% (median) | April 13 |
| 10% (safe for tender plants) | April 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 11 |
| 50% (median) | October 25 |
| 90% (late) | November 7 |
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 Leon, KS
Leon, KS frost dates — last frost Apr 13, first frost Oct 25, zone 7a. whenisthelastfrost.com
When to plant vegetables in Leon, KS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 19 – Feb 2 | Mar 16 – Mar 30 | — | — |
| Peppers | Feb 2 – Feb 16 | Apr 27 – May 11 | — | — |
| Eggplant | Feb 2 – Feb 16 | Apr 27 – May 11 | — | — |
| Tomatoes | Feb 16 – Mar 2 | Apr 20 – May 4 | — | — |
| Lettuce | Feb 16 – Mar 2 | Mar 23 – Apr 6 | Mar 16 – Apr 20 | Aug 30 – Sep 27 |
| Kale | Feb 16 – Mar 2 | Mar 16 – Mar 30 | Mar 16 – Mar 30 | Aug 16 – Sep 6 |
| Broccoli | Feb 16 – Mar 2 | Mar 30 – Apr 13 | — | Jul 19 – Aug 9 |
| Cabbage | Feb 16 – Mar 2 | Mar 23 – Apr 6 | — | Jul 19 – Aug 9 |
| Cauliflower | Feb 16 – Mar 2 | Mar 30 – Apr 13 | — | Jul 19 – Aug 9 |
| Okra | Mar 2 – Mar 16 | May 4 – May 18 | May 4 – May 18 | — |
| Basil | Mar 2 – Mar 16 | Apr 20 – May 4 | — | — |
| Peas | — | — | Mar 2 – Mar 23 | Aug 2 – Aug 23 |
| Spinach | — | — | Mar 2 – Mar 23 | Aug 30 – Sep 20 |
| Radishes | — | — | Mar 9 – Apr 20 | Sep 13 – Oct 4 |
| Cucumbers | Mar 16 – Mar 23 | Apr 27 – May 4 | Apr 20 – May 4 | Aug 9 – Aug 23 |
| Zucchini & Summer Squash | Mar 16 – Mar 23 | — | Apr 20 – May 4 | Aug 16 – Aug 30 |
| Winter Squash & Pumpkins | Mar 16 – Mar 23 | — | Apr 20 – May 4 | — |
| Melons & Watermelon | Mar 16 – Mar 23 | Apr 27 – May 11 | — | — |
| Carrots | — | — | Mar 23 – Apr 20 | Aug 2 – Aug 16 |
| Beets | — | — | Mar 23 – Apr 20 | Aug 16 – Aug 30 |
| Potatoes | — | — | Mar 23 – Apr 13 | — |
| Swiss Chard | — | — | Mar 30 – Apr 27 | Aug 16 – Aug 30 |
| Cilantro | — | — | Mar 30 – Apr 20 | Aug 30 – Sep 20 |
| Green Beans | — | — | Apr 20 – May 11 | Aug 9 – Aug 23 |
| Sweet Corn | — | — | Apr 20 – May 4 | — |
| Sweet Potatoes | — | Apr 27 – May 18 | — | — |
| Garlic | — | — | — | Oct 11 – Nov 15 |
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 El Dorado, KS weather station, 17 km away (elevation 1,289 ft (393 m)).
Frost dates near Leon
- Rosalia Apr 13 · Oct 25
- Latham Apr 18 · Oct 21
- El Dorado Apr 13 · Oct 25
- Augusta Apr 18 · Oct 21
- Beaumont Apr 16 · Oct 20
- Towanda Apr 13 · Oct 25
- Atlanta Apr 18 · Oct 21
- Douglass Apr 18 · Oct 21
- Andover Apr 10 · Oct 27
- Benton Apr 10 · Oct 27
Frequently asked questions
When is the last frost in Leon, KS?
The median last spring frost in Leon, KS is April 13. There is still about a 10% chance of frost after April 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Leon, KS?
The median first fall frost is October 25, with about a 10% chance of frost before October 11.
How long is the growing season in Leon, KS?
About 195 days between the median last spring frost and first fall frost.
What planting zone is Leon, KS?
Leon, KS is in USDA hardiness zone 7a.