Dover, MO frost dates
How Dover compares
- In 8 years out of 10, the last spring frost in Dover falls between March 21 and April 23, a 33-day window. The first fall frost falls between October 18 and November 13.
- The median last frost is 6 days earlier than the Missouri median of Apr 12.
- Its 207-day growing season is longer than 84% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 16 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 105 nights a year at or below 32°F.
- Compared with Blue Springs, MO, 57 km away, the last frost here is 1 day earlier than there and the growing season is 2 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 21 |
| 50% (median) | April 6 |
| 10% (safe for tender plants) | April 23 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 18 |
| 50% (median) | October 30 |
| 90% (late) | November 13 |
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 Dover, MO
Dover, MO frost dates — last frost Apr 6, first frost Oct 30, zone 6b. whenisthelastfrost.com
When to plant vegetables in Dover, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 12 – Jan 26 | Mar 9 – Mar 23 | — | — |
| Peppers | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Eggplant | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Tomatoes | Feb 9 – Feb 23 | Apr 13 – Apr 27 | — | — |
| Lettuce | Feb 9 – Feb 23 | Mar 16 – Mar 30 | Mar 9 – Apr 13 | Sep 4 – Oct 2 |
| Kale | Feb 9 – Feb 23 | Mar 9 – Mar 23 | Mar 9 – Mar 23 | Aug 21 – Sep 11 |
| Broccoli | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Jul 24 – Aug 14 |
| Cabbage | Feb 9 – Feb 23 | Mar 16 – Mar 30 | — | Jul 24 – Aug 14 |
| Cauliflower | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Jul 24 – Aug 14 |
| Okra | Feb 23 – Mar 9 | Apr 27 – May 11 | Apr 27 – May 11 | — |
| Basil | Feb 23 – Mar 9 | Apr 13 – Apr 27 | — | — |
| Peas | — | — | Feb 23 – Mar 16 | Aug 7 – Aug 28 |
| Spinach | — | — | Feb 23 – Mar 16 | Sep 4 – Sep 25 |
| Radishes | — | — | Mar 2 – Apr 13 | Sep 18 – Oct 9 |
| Cucumbers | Mar 9 – Mar 16 | Apr 20 – Apr 27 | Apr 13 – Apr 27 | Aug 14 – Aug 28 |
| Zucchini & Summer Squash | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | Aug 21 – Sep 4 |
| Winter Squash & Pumpkins | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | — |
| Melons & Watermelon | Mar 9 – Mar 16 | Apr 20 – May 4 | — | — |
| Carrots | — | — | Mar 16 – Apr 13 | Aug 7 – Aug 21 |
| Beets | — | — | Mar 16 – Apr 13 | Aug 21 – Sep 4 |
| Potatoes | — | — | Mar 16 – Apr 6 | — |
| Swiss Chard | — | — | Mar 23 – Apr 20 | Aug 21 – Sep 4 |
| Cilantro | — | — | Mar 23 – Apr 13 | Sep 4 – Sep 25 |
| Green Beans | — | — | Apr 13 – May 4 | Aug 14 – Aug 28 |
| Sweet Corn | — | — | Apr 13 – Apr 27 | — |
| Sweet Potatoes | — | Apr 20 – May 11 | — | — |
| Garlic | — | — | — | Oct 16 – Nov 20 |
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 Waverly, MO weather station, 12 km away (elevation 801 ft (244 m)).
Frost dates near Dover
- Corder Apr 10 · Oct 24
- Waverly Apr 6 · Oct 30
- Higginsville Apr 10 · Oct 24
- Alma Apr 6 · Oct 30
- Norborne Apr 16 · Oct 23
- Lexington Apr 8 · Oct 25
- Mayview Apr 10 · Oct 24
- Hardin Apr 19 · Oct 18
- Blackburn Apr 17 · Oct 20
- Henrietta Apr 19 · Oct 18
Frequently asked questions
When is the last frost in Dover, MO?
The median last spring frost in Dover, MO is April 6. There is still about a 10% chance of frost after April 23, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Dover, MO?
The median first fall frost is October 30, with about a 10% chance of frost before October 18.
How long is the growing season in Dover, MO?
About 207 days between the median last spring frost and first fall frost.
What planting zone is Dover, MO?
Dover, MO is in USDA hardiness zone 6b.