Campbell, MO frost dates
Last spring frostMar 29median date
First fall frostNov 3median date
Growing season219 daysfrost-free
Hardiness zone7bZone 7b
How Campbell compares
- In 8 years out of 10, the last spring frost in Campbell falls between March 12 and April 12, a 31-day window. The first fall frost falls between October 23 and November 22.
- The median last frost is 14 days earlier than the Missouri median of Apr 12.
- Its 219-day growing season is longer than 96% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 7 days earlier than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 77 nights a year at or below 32°F.
- Compared with Jonesboro, AR, 98 km away, the last frost here is 6 days later than there and the growing season is 12 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 12 |
| 50% (median) | March 29 |
| 10% (safe for tender plants) | April 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 23 |
| 50% (median) | November 3 |
| 90% (late) | November 22 |
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 Campbell, MO
Campbell, MO frost dates — last frost Mar 29, first frost Nov 3, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 4 to Jan 18Transplant outside: Mar 1 to Mar 15
Start indoors: Jan 18 to Feb 1Transplant outside: Apr 12 to Apr 26
Start indoors: Jan 18 to Feb 1Transplant outside: Apr 12 to Apr 26
Start indoors: Feb 1 to Feb 15Transplant outside: Apr 5 to Apr 19
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 8 to Mar 22Sow outdoors: Mar 1 to Apr 5Plant for fall: Sep 8 to Oct 6
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 1 to Mar 15Sow outdoors: Mar 1 to Mar 15Plant for fall: Aug 25 to Sep 15
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 15 to Mar 29Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 8 to Mar 22Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 15 to Mar 29Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 15 to Mar 1Transplant outside: Apr 19 to May 3Sow outdoors: Apr 19 to May 3
Start indoors: Feb 15 to Mar 1Transplant outside: Apr 5 to Apr 19
Sow outdoors: Feb 15 to Mar 8Plant for fall: Aug 11 to Sep 1
Sow outdoors: Feb 15 to Mar 8Plant for fall: Sep 8 to Sep 29
Sow outdoors: Feb 22 to Apr 5Plant for fall: Sep 22 to Oct 13
Start indoors: Mar 1 to Mar 8Transplant outside: Apr 12 to Apr 19Sow outdoors: Apr 5 to Apr 19Plant for fall: Aug 18 to Sep 1
Start indoors: Mar 1 to Mar 8Sow outdoors: Apr 5 to Apr 19Plant for fall: Aug 25 to Sep 8
Start indoors: Mar 1 to Mar 8Sow outdoors: Apr 5 to Apr 19
Start indoors: Mar 1 to Mar 8Transplant outside: Apr 12 to Apr 26
Sow outdoors: Mar 8 to Apr 5Plant for fall: Aug 11 to Aug 25
Sow outdoors: Mar 8 to Apr 5Plant for fall: Aug 25 to Sep 8
Sow outdoors: Mar 8 to Mar 29
Sow outdoors: Mar 15 to Apr 12Plant for fall: Aug 25 to Sep 8
Sow outdoors: Mar 15 to Apr 5Plant for fall: Sep 8 to Sep 29
Sow outdoors: Apr 5 to Apr 26Plant for fall: Aug 18 to Sep 1
Sow outdoors: Apr 5 to Apr 19
Transplant outside: Apr 12 to May 3
Plant for fall: Oct 20 to Nov 24
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Campbell, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 4 – Jan 18 | Mar 1 – Mar 15 | — | — |
| Peppers | Jan 18 – Feb 1 | Apr 12 – Apr 26 | — | — |
| Eggplant | Jan 18 – Feb 1 | Apr 12 – Apr 26 | — | — |
| Tomatoes | Feb 1 – Feb 15 | Apr 5 – Apr 19 | — | — |
| Lettuce | Feb 1 – Feb 15 | Mar 8 – Mar 22 | Mar 1 – Apr 5 | Sep 8 – Oct 6 |
| Kale | Feb 1 – Feb 15 | Mar 1 – Mar 15 | Mar 1 – Mar 15 | Aug 25 – Sep 15 |
| Broccoli | Feb 1 – Feb 15 | Mar 15 – Mar 29 | — | Jul 28 – Aug 18 |
| Cabbage | Feb 1 – Feb 15 | Mar 8 – Mar 22 | — | Jul 28 – Aug 18 |
| Cauliflower | Feb 1 – Feb 15 | Mar 15 – Mar 29 | — | Jul 28 – Aug 18 |
| Okra | Feb 15 – Mar 1 | Apr 19 – May 3 | Apr 19 – May 3 | — |
| Basil | Feb 15 – Mar 1 | Apr 5 – Apr 19 | — | — |
| Peas | — | — | Feb 15 – Mar 8 | Aug 11 – Sep 1 |
| Spinach | — | — | Feb 15 – Mar 8 | Sep 8 – Sep 29 |
| Radishes | — | — | Feb 22 – Apr 5 | Sep 22 – Oct 13 |
| Cucumbers | Mar 1 – Mar 8 | Apr 12 – Apr 19 | Apr 5 – Apr 19 | Aug 18 – Sep 1 |
| Zucchini & Summer Squash | Mar 1 – Mar 8 | — | Apr 5 – Apr 19 | Aug 25 – Sep 8 |
| Winter Squash & Pumpkins | Mar 1 – Mar 8 | — | Apr 5 – Apr 19 | — |
| Melons & Watermelon | Mar 1 – Mar 8 | Apr 12 – Apr 26 | — | — |
| Carrots | — | — | Mar 8 – Apr 5 | Aug 11 – Aug 25 |
| Beets | — | — | Mar 8 – Apr 5 | Aug 25 – Sep 8 |
| Potatoes | — | — | Mar 8 – Mar 29 | — |
| Swiss Chard | — | — | Mar 15 – Apr 12 | Aug 25 – Sep 8 |
| Cilantro | — | — | Mar 15 – Apr 5 | Sep 8 – Sep 29 |
| Green Beans | — | — | Apr 5 – Apr 26 | Aug 18 – Sep 1 |
| Sweet Corn | — | — | Apr 5 – Apr 19 | — |
| Sweet Potatoes | — | Apr 12 – May 3 | — | — |
| Garlic | — | — | — | Oct 20 – Nov 24 |
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 Malden Muni Ap, MO weather station, 12 km away (elevation 289 ft (88 m)).
Frost dates near Campbell
- Gibson Mar 29 · Nov 3
- Malden Mar 29 · Nov 3
- Clarkton Mar 29 · Nov 3
- Holcomb Mar 31 · Nov 1
- Fagus Mar 29 · Nov 3
- Gideon Mar 29 · Nov 3
- Qulin Mar 31 · Oct 31
- Bernie Mar 29 · Nov 3
- Tallapoosa Mar 25 · Nov 7
- Risco Mar 29 · Nov 3
Frequently asked questions
When is the last frost in Campbell, MO?
The median last spring frost in Campbell, MO is March 29. There is still about a 10% chance of frost after April 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Campbell, MO?
The median first fall frost is November 3, with about a 10% chance of frost before October 23.
How long is the growing season in Campbell, MO?
About 219 days between the median last spring frost and first fall frost.
What planting zone is Campbell, MO?
Campbell, MO is in USDA hardiness zone 7b.