Patton, MO frost dates
Last spring frostApr 12median date
First fall frostOct 23median date
Growing season194 daysfrost-free
Hardiness zone6bZone 6b
How Patton compares
- In 8 years out of 10, the last spring frost in Patton falls between March 27 and April 28, a 32-day window. The first fall frost falls between October 10 and November 3.
- The median last frost is the same as the Missouri median of Apr 12.
- Its 194-day growing season is longer than 44% 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 95 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 27 |
| 50% (median) | April 12 |
| 10% (safe for tender plants) | April 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 10 |
| 50% (median) | October 23 |
| 90% (late) | November 3 |
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 Patton, MO
Patton, MO frost dates — last frost Apr 12, first frost Oct 23, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Jan 18 to Feb 1Transplant outside: Mar 15 to Mar 29
Start indoors: Feb 1 to Feb 15Transplant outside: Apr 26 to May 10
Start indoors: Feb 1 to Feb 15Transplant outside: Apr 26 to May 10
Start indoors: Feb 15 to Mar 1Transplant outside: Apr 19 to May 3
Start indoors: Feb 15 to Mar 1Transplant outside: Mar 22 to Apr 5Sow outdoors: Mar 15 to Apr 19Plant for fall: Aug 28 to Sep 25
Start indoors: Feb 15 to Mar 1Transplant outside: Mar 15 to Mar 29Sow outdoors: Mar 15 to Mar 29Plant for fall: Aug 14 to Sep 4
Start indoors: Feb 15 to Mar 1Transplant outside: Mar 29 to Apr 12Plant for fall: Jul 17 to Aug 7
Start indoors: Feb 15 to Mar 1Transplant outside: Mar 22 to Apr 5Plant for fall: Jul 17 to Aug 7
Start indoors: Feb 15 to Mar 1Transplant outside: Mar 29 to Apr 12Plant for fall: Jul 17 to Aug 7
Start indoors: Mar 1 to Mar 15Transplant outside: May 3 to May 17Sow outdoors: May 3 to May 17
Start indoors: Mar 1 to Mar 15Transplant outside: Apr 19 to May 3
Sow outdoors: Mar 1 to Mar 22Plant for fall: Jul 31 to Aug 21
Sow outdoors: Mar 1 to Mar 22Plant for fall: Aug 28 to Sep 18
Sow outdoors: Mar 8 to Apr 19Plant for fall: Sep 11 to Oct 2
Start indoors: Mar 15 to Mar 22Transplant outside: Apr 26 to May 3Sow outdoors: Apr 19 to May 3Plant for fall: Aug 7 to Aug 21
Start indoors: Mar 15 to Mar 22Sow outdoors: Apr 19 to May 3Plant for fall: Aug 14 to Aug 28
Start indoors: Mar 15 to Mar 22Sow outdoors: Apr 19 to May 3
Start indoors: Mar 15 to Mar 22Transplant outside: Apr 26 to May 10
Sow outdoors: Mar 22 to Apr 19Plant for fall: Jul 31 to Aug 14
Sow outdoors: Mar 22 to Apr 19Plant for fall: Aug 14 to Aug 28
Sow outdoors: Mar 22 to Apr 12
Sow outdoors: Mar 29 to Apr 26Plant for fall: Aug 14 to Aug 28
Sow outdoors: Mar 29 to Apr 19Plant for fall: Aug 28 to Sep 18
Sow outdoors: Apr 19 to May 10Plant for fall: Aug 7 to Aug 21
Sow outdoors: Apr 19 to May 3
Transplant outside: Apr 26 to May 17
Plant for fall: Oct 9 to Nov 13
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Patton, 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 | Aug 28 – Sep 25 |
| Kale | Feb 15 – Mar 1 | Mar 15 – Mar 29 | Mar 15 – Mar 29 | Aug 14 – Sep 4 |
| Broccoli | Feb 15 – Mar 1 | Mar 29 – Apr 12 | — | Jul 17 – Aug 7 |
| Cabbage | Feb 15 – Mar 1 | Mar 22 – Apr 5 | — | Jul 17 – Aug 7 |
| Cauliflower | Feb 15 – Mar 1 | Mar 29 – Apr 12 | — | Jul 17 – Aug 7 |
| 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 | Jul 31 – Aug 21 |
| Spinach | — | — | Mar 1 – Mar 22 | Aug 28 – Sep 18 |
| Radishes | — | — | Mar 8 – Apr 19 | Sep 11 – Oct 2 |
| Cucumbers | Mar 15 – Mar 22 | Apr 26 – May 3 | Apr 19 – May 3 | Aug 7 – Aug 21 |
| Zucchini & Summer Squash | Mar 15 – Mar 22 | — | Apr 19 – May 3 | Aug 14 – Aug 28 |
| 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 | Jul 31 – Aug 14 |
| Beets | — | — | Mar 22 – Apr 19 | Aug 14 – Aug 28 |
| Potatoes | — | — | Mar 22 – Apr 12 | — |
| Swiss Chard | — | — | Mar 29 – Apr 26 | Aug 14 – Aug 28 |
| Cilantro | — | — | Mar 29 – Apr 19 | Aug 28 – Sep 18 |
| Green Beans | — | — | Apr 19 – May 10 | Aug 7 – Aug 21 |
| Sweet Corn | — | — | Apr 19 – May 3 | — |
| Sweet Potatoes | — | Apr 26 – May 17 | — | — |
| Garlic | — | — | — | Oct 9 – Nov 13 |
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 Marble Hill, MO weather station, 20 km away (elevation 390 ft (119 m)).
Frost dates near Patton
- Marquand Apr 21 · Oct 16
- Sedgewickville Apr 19 · Oct 20
- Glenallen Apr 12 · Oct 23
- Marble Hill Apr 12 · Oct 23
- Daisy Apr 7 · Oct 29
- Friedheim Apr 19 · Oct 20
- Millersville Apr 7 · Oct 29
- Burfordville Apr 7 · Oct 29
- Fredericktown Apr 21 · Oct 16
- Leopold Apr 12 · Oct 23
Frequently asked questions
When is the last frost in Patton, MO?
The median last spring frost in Patton, MO is April 12. There is still about a 10% chance of frost after April 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Patton, MO?
The median first fall frost is October 23, with about a 10% chance of frost before October 10.
How long is the growing season in Patton, MO?
About 194 days between the median last spring frost and first fall frost.
What planting zone is Patton, MO?
Patton, MO is in USDA hardiness zone 6b.