Newark, MO frost dates
How Newark compares
- In 8 years out of 10, the last spring frost in Newark falls between April 3 and May 4, a 31-day window. The first fall frost falls between September 30 and October 31.
- The median last frost is 5 days later than the Missouri median of Apr 12.
- Its 185-day growing season is longer than 17% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 12 days earlier than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 113 nights a year at or below 32°F.
- Compared with Columbia, MO, 119 km away, the last frost here is 12 days later than there and the growing season is 24 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 3 |
| 50% (median) | April 17 |
| 10% (safe for tender plants) | May 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 30 |
| 50% (median) | October 19 |
| 90% (late) | October 31 |
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 Newark, MO
Newark, MO frost dates — last frost Apr 17, first frost Oct 19, zone 6a. whenisthelastfrost.com
When to plant vegetables in Newark, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 23 – Feb 6 | Mar 20 – Apr 3 | — | — |
| Peppers | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Eggplant | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Tomatoes | Feb 20 – Mar 6 | Apr 24 – May 8 | — | — |
| Lettuce | Feb 20 – Mar 6 | Mar 27 – Apr 10 | Mar 20 – Apr 24 | Aug 24 – Sep 21 |
| Kale | Feb 20 – Mar 6 | Mar 20 – Apr 3 | Mar 20 – Apr 3 | Aug 10 – Aug 31 |
| Broccoli | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 13 – Aug 3 |
| Cabbage | Feb 20 – Mar 6 | Mar 27 – Apr 10 | — | Jul 13 – Aug 3 |
| Cauliflower | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 13 – Aug 3 |
| Okra | Mar 6 – Mar 20 | May 8 – May 22 | May 8 – May 22 | — |
| Basil | Mar 6 – Mar 20 | Apr 24 – May 8 | — | — |
| Peas | — | — | Mar 6 – Mar 27 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 6 – Mar 27 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 13 – Apr 24 | Sep 7 – Sep 28 |
| Cucumbers | Mar 20 – Mar 27 | May 1 – May 8 | Apr 24 – May 8 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Mar 20 – Mar 27 | — | Apr 24 – May 8 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Mar 20 – Mar 27 | — | Apr 24 – May 8 | — |
| Melons & Watermelon | Mar 20 – Mar 27 | May 1 – May 15 | — | — |
| Carrots | — | — | Mar 27 – Apr 24 | Jul 27 – Aug 10 |
| Beets | — | — | Mar 27 – Apr 24 | Aug 10 – Aug 24 |
| Potatoes | — | — | Mar 27 – Apr 17 | — |
| Swiss Chard | — | — | Apr 3 – May 1 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 3 – Apr 24 | Aug 24 – Sep 14 |
| Green Beans | — | — | Apr 24 – May 15 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | Apr 24 – May 8 | — |
| Sweet Potatoes | — | May 1 – May 22 | — | — |
| Garlic | — | — | — | Oct 5 – Nov 9 |
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 Steffenville, MO weather station, 8 km away (elevation 705 ft (215 m)).
Frost dates near Newark
- Plevna Apr 17 · Oct 19
- Bethel Apr 17 · Oct 19
- La Belle Apr 17 · Oct 19
- Knox City Apr 17 · Oct 19
- Lewistown Apr 17 · Oct 19
- Novelty Apr 17 · Oct 19
- Leonard Apr 17 · Oct 19
- Shelbyville Apr 21 · Oct 17
- Ewing Apr 17 · Oct 19
- Emden Apr 17 · Oct 19
Frequently asked questions
When is the last frost in Newark, MO?
The median last spring frost in Newark, MO is April 17. There is still about a 10% chance of frost after May 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Newark, MO?
The median first fall frost is October 19, with about a 10% chance of frost before September 30.
How long is the growing season in Newark, MO?
About 185 days between the median last spring frost and first fall frost.
What planting zone is Newark, MO?
Newark, MO is in USDA hardiness zone 6a.