Frost dates for 64137 — Kansas City, MO
How Kansas City compares
- In 8 years out of 10, the last spring frost in Kansas City falls between March 21 and April 24, a 34-day window. The first fall frost falls between October 14 and November 12.
- The median last frost is 5 days earlier than the Missouri median of Apr 12.
- Its 205-day growing season is longer than 80% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 15 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 96 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 21 |
| 50% (median) | April 7 |
| 10% (safe for tender plants) | April 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 14 |
| 50% (median) | October 29 |
| 90% (late) | November 12 |
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 64137 — Kansas City, MO — last frost Apr 7, first frost Oct 29, zone 6b. whenisthelastfrost.com
When to plant vegetables in Kansas City, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 13 – Jan 27 | Mar 10 – Mar 24 | — | — |
| Peppers | Jan 27 – Feb 10 | Apr 21 – May 5 | — | — |
| Eggplant | Jan 27 – Feb 10 | Apr 21 – May 5 | — | — |
| Tomatoes | Feb 10 – Feb 24 | Apr 14 – Apr 28 | — | — |
| Lettuce | Feb 10 – Feb 24 | Mar 17 – Mar 31 | Mar 10 – Apr 14 | Sep 3 – Oct 1 |
| Kale | Feb 10 – Feb 24 | Mar 10 – Mar 24 | Mar 10 – Mar 24 | Aug 20 – Sep 10 |
| Broccoli | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 10 – Feb 24 | Mar 17 – Mar 31 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 23 – Aug 13 |
| Okra | Feb 24 – Mar 10 | Apr 28 – May 12 | Apr 28 – May 12 | — |
| Basil | Feb 24 – Mar 10 | Apr 14 – Apr 28 | — | — |
| Peas | — | — | Feb 24 – Mar 17 | Aug 6 – Aug 27 |
| Spinach | — | — | Feb 24 – Mar 17 | Sep 3 – Sep 24 |
| Radishes | — | — | Mar 3 – Apr 14 | Sep 17 – Oct 8 |
| Cucumbers | Mar 10 – Mar 17 | Apr 21 – Apr 28 | Apr 14 – Apr 28 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | Aug 20 – Sep 3 |
| Winter Squash & Pumpkins | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | — |
| Melons & Watermelon | Mar 10 – Mar 17 | Apr 21 – May 5 | — | — |
| Carrots | — | — | Mar 17 – Apr 14 | Aug 6 – Aug 20 |
| Beets | — | — | Mar 17 – Apr 14 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 17 – Apr 7 | — |
| Swiss Chard | — | — | Mar 24 – Apr 21 | Aug 20 – Sep 3 |
| Cilantro | — | — | Mar 24 – Apr 14 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 14 – May 5 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 14 – Apr 28 | — |
| Sweet Potatoes | — | Apr 21 – May 12 | — | — |
| Garlic | — | — | — | Oct 15 – Nov 19 |
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 Lees Summit Muni Ap, MO weather station, 15 km away (elevation 997 ft (304 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
- Grandview Apr 7 · Oct 29
- Belton Apr 8 · Oct 29
- Lees Summit Apr 7 · Oct 29
- Raymore Apr 13 · Oct 26
- Independence Apr 10 · Oct 27
- Greenwood Apr 13 · Oct 26
- Blue Springs Apr 7 · Oct 29
- Peculiar Apr 8 · Oct 29
Frequently asked questions
When is the last frost in Kansas City, MO?
The median last spring frost in Kansas City, MO is April 7. There is still about a 10% chance of frost after April 24, 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 29, with about a 10% chance of frost before October 14.
How long is the growing season in Kansas City, MO?
About 205 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.