Lansing, KS frost dates
How Lansing compares
- In 8 years out of 10, the last spring frost in Lansing falls between April 5 and May 4, a 29-day window. The first fall frost falls between October 2 and October 30.
- The median last frost is 1 day later than the Kansas median of Apr 18.
- Its 183-day growing season is longer than 37% of the 632 Kansas places with a regular frost season (state median 187 days).
- The last frost is typical for zone 6b, where the median is Apr 22.
- The weather station records an average of 137 nights a year at or below 32°F.
- Compared with Kansas City, KS, 24 km away, the last frost here is 15 days later than there and the growing season is 29 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 5 |
| 50% (median) | April 19 |
| 10% (safe for tender plants) | May 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 19 |
| 90% (late) | October 30 |
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 Lansing, KS
Lansing, KS frost dates — last frost Apr 19, first frost Oct 19, zone 6b. whenisthelastfrost.com
When to plant vegetables in Lansing, KS
| 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 Leavenworth 3sw, KS weather station, 6 km away (elevation 873 ft (266 m)).
Frost dates near Lansing
- Leavenworth Apr 19 · Oct 19
- Fort Leavenworth Apr 12 · Oct 27
- Basehor Apr 16 · Oct 22
- Easton Apr 19 · Oct 19
- Bonner Springs Apr 16 · Oct 22
- Kansas City Apr 4 · Nov 2
- Tonganoxie Apr 21 · Oct 17
- Edwardsville Apr 4 · Nov 2
- Shawnee Apr 4 · Nov 2
- Mc Louth Apr 16 · Oct 22
Frequently asked questions
When is the last frost in Lansing, KS?
The median last spring frost in Lansing, KS is April 19. There is still about a 10% chance of frost after May 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lansing, KS?
The median first fall frost is October 19, with about a 10% chance of frost before October 2.
How long is the growing season in Lansing, KS?
About 183 days between the median last spring frost and first fall frost.
What planting zone is Lansing, KS?
Lansing, KS is in USDA hardiness zone 6b.