Macomb, MO frost dates
Last spring frostApr 11median date
First fall frostOct 26median date
Growing season198 daysfrost-free
Hardiness zone7aZone 7a
How Macomb compares
- In 8 years out of 10, the last spring frost in Macomb falls between March 26 and April 28, a 33-day window. The first fall frost falls between October 12 and November 8.
- The median last frost is 1 day earlier than 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 5 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 105 nights a year at or below 32°F.
- Compared with Springfield, MO, 74 km away, the last frost here is 7 days later than there and the growing season is 8 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 26 |
| 50% (median) | April 11 |
| 10% (safe for tender plants) | April 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 12 |
| 50% (median) | October 26 |
| 90% (late) | November 8 |
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 Macomb, MO
Macomb, MO frost dates — last frost Apr 11, first frost Oct 26, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 17 to Jan 31Transplant outside: Mar 14 to Mar 28
Start indoors: Jan 31 to Feb 14Transplant outside: Apr 25 to May 9
Start indoors: Jan 31 to Feb 14Transplant outside: Apr 25 to May 9
Start indoors: Feb 14 to Feb 28Transplant outside: Apr 18 to May 2
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 21 to Apr 4Sow outdoors: Mar 14 to Apr 18Plant for fall: Aug 31 to Sep 28
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 14 to Mar 28Sow outdoors: Mar 14 to Mar 28Plant for fall: Aug 17 to Sep 7
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 28 to Apr 11Plant for fall: Jul 20 to Aug 10
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 21 to Apr 4Plant for fall: Jul 20 to Aug 10
Start indoors: Feb 14 to Feb 28Transplant outside: Mar 28 to Apr 11Plant for fall: Jul 20 to Aug 10
Start indoors: Feb 28 to Mar 14Transplant outside: May 2 to May 16Sow outdoors: May 2 to May 16
Start indoors: Feb 28 to Mar 14Transplant outside: Apr 18 to May 2
Sow outdoors: Feb 28 to Mar 21Plant for fall: Aug 3 to Aug 24
Sow outdoors: Feb 28 to Mar 21Plant for fall: Aug 31 to Sep 21
Sow outdoors: Mar 7 to Apr 18Plant for fall: Sep 14 to Oct 5
Start indoors: Mar 14 to Mar 21Transplant outside: Apr 25 to May 2Sow outdoors: Apr 18 to May 2Plant for fall: Aug 10 to Aug 24
Start indoors: Mar 14 to Mar 21Sow outdoors: Apr 18 to May 2Plant for fall: Aug 17 to Aug 31
Start indoors: Mar 14 to Mar 21Sow outdoors: Apr 18 to May 2
Start indoors: Mar 14 to Mar 21Transplant outside: Apr 25 to May 9
Sow outdoors: Mar 21 to Apr 18Plant for fall: Aug 3 to Aug 17
Sow outdoors: Mar 21 to Apr 18Plant for fall: Aug 17 to Aug 31
Sow outdoors: Mar 21 to Apr 11
Sow outdoors: Mar 28 to Apr 25Plant for fall: Aug 17 to Aug 31
Sow outdoors: Mar 28 to Apr 18Plant for fall: Aug 31 to Sep 21
Sow outdoors: Apr 18 to May 9Plant for fall: Aug 10 to Aug 24
Sow outdoors: Apr 18 to May 2
Transplant outside: Apr 25 to May 16
Plant for fall: Oct 12 to Nov 16
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Macomb, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 17 – Jan 31 | Mar 14 – Mar 28 | — | — |
| Peppers | Jan 31 – Feb 14 | Apr 25 – May 9 | — | — |
| Eggplant | Jan 31 – Feb 14 | Apr 25 – May 9 | — | — |
| Tomatoes | Feb 14 – Feb 28 | Apr 18 – May 2 | — | — |
| Lettuce | Feb 14 – Feb 28 | Mar 21 – Apr 4 | Mar 14 – Apr 18 | Aug 31 – Sep 28 |
| Kale | Feb 14 – Feb 28 | Mar 14 – Mar 28 | Mar 14 – Mar 28 | Aug 17 – Sep 7 |
| Broccoli | Feb 14 – Feb 28 | Mar 28 – Apr 11 | — | Jul 20 – Aug 10 |
| Cabbage | Feb 14 – Feb 28 | Mar 21 – Apr 4 | — | Jul 20 – Aug 10 |
| Cauliflower | Feb 14 – Feb 28 | Mar 28 – Apr 11 | — | Jul 20 – Aug 10 |
| Okra | Feb 28 – Mar 14 | May 2 – May 16 | May 2 – May 16 | — |
| Basil | Feb 28 – Mar 14 | Apr 18 – May 2 | — | — |
| Peas | — | — | Feb 28 – Mar 21 | Aug 3 – Aug 24 |
| Spinach | — | — | Feb 28 – Mar 21 | Aug 31 – Sep 21 |
| Radishes | — | — | Mar 7 – Apr 18 | Sep 14 – Oct 5 |
| Cucumbers | Mar 14 – Mar 21 | Apr 25 – May 2 | Apr 18 – May 2 | Aug 10 – Aug 24 |
| Zucchini & Summer Squash | Mar 14 – Mar 21 | — | Apr 18 – May 2 | Aug 17 – Aug 31 |
| Winter Squash & Pumpkins | Mar 14 – Mar 21 | — | Apr 18 – May 2 | — |
| Melons & Watermelon | Mar 14 – Mar 21 | Apr 25 – May 9 | — | — |
| Carrots | — | — | Mar 21 – Apr 18 | Aug 3 – Aug 17 |
| Beets | — | — | Mar 21 – Apr 18 | Aug 17 – Aug 31 |
| Potatoes | — | — | Mar 21 – Apr 11 | — |
| Swiss Chard | — | — | Mar 28 – Apr 25 | Aug 17 – Aug 31 |
| Cilantro | — | — | Mar 28 – Apr 18 | Aug 31 – Sep 21 |
| Green Beans | — | — | Apr 18 – May 9 | Aug 10 – Aug 24 |
| Sweet Corn | — | — | Apr 18 – May 2 | — |
| Sweet Potatoes | — | Apr 25 – May 16 | — | — |
| Garlic | — | — | — | Oct 12 – Nov 16 |
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 Mansfield, MO weather station, 9 km away (elevation 1,447 ft (441 m)).
Frost dates near Macomb
- Norwood Apr 11 · Oct 26
- Mansfield Apr 11 · Oct 26
- Mountain Grove Apr 11 · Oct 28
- Hartville Apr 15 · Oct 22
- Drury Apr 14 · Oct 25
- Vanzant Apr 14 · Oct 25
- Ava Apr 23 · Oct 17
- Seymour Apr 23 · Oct 17
- Squires Apr 10 · Oct 27
- Graff Apr 11 · Oct 28
Frequently asked questions
When is the last frost in Macomb, MO?
The median last spring frost in Macomb, MO is April 11. 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 Macomb, MO?
The median first fall frost is October 26, with about a 10% chance of frost before October 12.
How long is the growing season in Macomb, MO?
About 198 days between the median last spring frost and first fall frost.
What planting zone is Macomb, MO?
Macomb, MO is in USDA hardiness zone 7a.