Frost dates for 64168 — Kansas City, MO
How Kansas City compares
- In 8 years out of 10, the last spring frost in Kansas City falls between March 31 and April 25, a 25-day window. The first fall frost falls between October 13 and November 7.
- The median last frost is the same as the Missouri median of Apr 12.
- Its 198-day growing season is longer than 60% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 10 days earlier than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 105 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 31 |
| 50% (median) | April 12 |
| 10% (safe for tender plants) | April 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 13 |
| 50% (median) | October 27 |
| 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 Kansas City, MO
Frost dates for 64168 — Kansas City, MO — last frost Apr 12, first frost Oct 27, zone 6b. whenisthelastfrost.com
When to plant vegetables in Kansas City, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 18 – Feb 1 | Mar 15 – Mar 29 | — | — |
| Peppers | Feb 1 – Feb 15 | Apr 26 – May 10 | — | — |
| Eggplant | Feb 1 – Feb 15 | Apr 26 – May 10 | — | — |
| Tomatoes | Feb 15 – Mar 1 | Apr 19 – May 3 | — | — |
| Lettuce | Feb 15 – Mar 1 | Mar 22 – Apr 5 | Mar 15 – Apr 19 | Sep 1 – Sep 29 |
| Kale | Feb 15 – Mar 1 | Mar 15 – Mar 29 | Mar 15 – Mar 29 | Aug 18 – Sep 8 |
| Broccoli | Feb 15 – Mar 1 | Mar 29 – Apr 12 | — | Jul 21 – Aug 11 |
| Cabbage | Feb 15 – Mar 1 | Mar 22 – Apr 5 | — | Jul 21 – Aug 11 |
| Cauliflower | Feb 15 – Mar 1 | Mar 29 – Apr 12 | — | Jul 21 – Aug 11 |
| Okra | Mar 1 – Mar 15 | May 3 – May 17 | May 3 – May 17 | — |
| Basil | Mar 1 – Mar 15 | Apr 19 – May 3 | — | — |
| Peas | — | — | Mar 1 – Mar 22 | Aug 4 – Aug 25 |
| Spinach | — | — | Mar 1 – Mar 22 | Sep 1 – Sep 22 |
| Radishes | — | — | Mar 8 – Apr 19 | Sep 15 – Oct 6 |
| Cucumbers | Mar 15 – Mar 22 | Apr 26 – May 3 | Apr 19 – May 3 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 15 – Mar 22 | — | Apr 19 – May 3 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 15 – Mar 22 | — | Apr 19 – May 3 | — |
| Melons & Watermelon | Mar 15 – Mar 22 | Apr 26 – May 10 | — | — |
| Carrots | — | — | Mar 22 – Apr 19 | Aug 4 – Aug 18 |
| Beets | — | — | Mar 22 – Apr 19 | Aug 18 – Sep 1 |
| Potatoes | — | — | Mar 22 – Apr 12 | — |
| Swiss Chard | — | — | Mar 29 – Apr 26 | Aug 18 – Sep 1 |
| Cilantro | — | — | Mar 29 – Apr 19 | Sep 1 – Sep 22 |
| Green Beans | — | — | Apr 19 – May 10 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | Apr 19 – May 3 | — |
| Sweet Potatoes | — | Apr 26 – May 17 | — | — |
| 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 Leavenworth, KS weather station, 6 km away (elevation 869 ft (265 m)).
ZIP codes in Kansas City: 64101 64102 64105 64106 64108 64109 64110 64111 64112 64113 64114 64116 64117 64118 64119 64120 64121 64123 64124 64125 64126 64127 64128 64129 64130 64131 64132 64133 64134 64136 64137 64138 64139 64141 64144 64145 64146 64147 64148 64149 64151 64152 64153 64154 64155 64156 64157 64158 64161 64162 64163 64164 64165 64166 64167 64168 64170 64171 64179 64180 …
Frost dates near Kansas City
- Platte City Apr 13 · Oct 24
- Farley Apr 13 · Oct 24
- Weston Apr 12 · Oct 27
- Waldron Apr 13 · Oct 24
- Camden Point Apr 13 · Oct 24
- Dearborn Apr 18 · Oct 20
- Edgerton Apr 18 · Oct 20
- Smithville Apr 18 · Oct 20
Frequently asked questions
When is the last frost in Kansas City, MO?
The median last spring frost in Kansas City, MO is April 12. There is still about a 10% chance of frost after April 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Kansas City, MO?
The median first fall frost is October 27, with about a 10% chance of frost before October 13.
How long is the growing season in Kansas City, MO?
About 198 days between the median last spring frost and first fall frost.
What planting zone is Kansas City, MO?
Kansas City, MO is in USDA hardiness zone 6b.