Dover, AR frost dates
Last spring frostMar 29median date
First fall frostNov 2median date
Growing season218 daysfrost-free
Hardiness zone7bZone 7b
How Dover compares
- In 8 years out of 10, the last spring frost in Dover falls between March 10 and April 13, a 34-day window. The first fall frost falls between October 20 and November 18.
- The median last frost is 1 day later than the Arkansas median of Mar 28.
- Its 218-day growing season is longer than 38% of the 603 Arkansas places with a regular frost season (state median 222 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 Conway, AR, 75 km away, the last frost here is 4 days earlier than there and the growing season is 4 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 10 |
| 50% (median) | March 29 |
| 10% (safe for tender plants) | April 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 20 |
| 50% (median) | November 2 |
| 90% (late) | November 18 |
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, AR
Dover, AR frost dates — last frost Mar 29, first frost Nov 2, 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 7 to Oct 5
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 1 to Mar 15Sow outdoors: Mar 1 to Mar 15Plant for fall: Aug 24 to Sep 14
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 15 to Mar 29Plant for fall: Jul 27 to Aug 17
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 8 to Mar 22Plant for fall: Jul 27 to Aug 17
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 15 to Mar 29Plant for fall: Jul 27 to Aug 17
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 10 to Aug 31
Sow outdoors: Feb 15 to Mar 8Plant for fall: Sep 7 to Sep 28
Sow outdoors: Feb 22 to Apr 5Plant for fall: Sep 21 to Oct 12
Start indoors: Mar 1 to Mar 8Transplant outside: Apr 12 to Apr 19Sow outdoors: Apr 5 to Apr 19Plant for fall: Aug 17 to Aug 31
Start indoors: Mar 1 to Mar 8Sow outdoors: Apr 5 to Apr 19Plant for fall: Aug 24 to Sep 7
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 10 to Aug 24
Sow outdoors: Mar 8 to Apr 5Plant for fall: Aug 24 to Sep 7
Sow outdoors: Mar 8 to Mar 29
Sow outdoors: Mar 15 to Apr 12Plant for fall: Aug 24 to Sep 7
Sow outdoors: Mar 15 to Apr 5Plant for fall: Sep 7 to Sep 28
Sow outdoors: Apr 5 to Apr 26Plant for fall: Aug 17 to Aug 31
Sow outdoors: Apr 5 to Apr 19
Transplant outside: Apr 12 to May 3
Plant for fall: Oct 19 to Nov 23
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Dover, AR
| 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 7 – Oct 5 |
| Kale | Feb 1 – Feb 15 | Mar 1 – Mar 15 | Mar 1 – Mar 15 | Aug 24 – Sep 14 |
| Broccoli | Feb 1 – Feb 15 | Mar 15 – Mar 29 | — | Jul 27 – Aug 17 |
| Cabbage | Feb 1 – Feb 15 | Mar 8 – Mar 22 | — | Jul 27 – Aug 17 |
| Cauliflower | Feb 1 – Feb 15 | Mar 15 – Mar 29 | — | Jul 27 – Aug 17 |
| 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 10 – Aug 31 |
| Spinach | — | — | Feb 15 – Mar 8 | Sep 7 – Sep 28 |
| Radishes | — | — | Feb 22 – Apr 5 | Sep 21 – Oct 12 |
| Cucumbers | Mar 1 – Mar 8 | Apr 12 – Apr 19 | Apr 5 – Apr 19 | Aug 17 – Aug 31 |
| Zucchini & Summer Squash | Mar 1 – Mar 8 | — | Apr 5 – Apr 19 | Aug 24 – Sep 7 |
| 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 10 – Aug 24 |
| Beets | — | — | Mar 8 – Apr 5 | Aug 24 – Sep 7 |
| Potatoes | — | — | Mar 8 – Mar 29 | — |
| Swiss Chard | — | — | Mar 15 – Apr 12 | Aug 24 – Sep 7 |
| Cilantro | — | — | Mar 15 – Apr 5 | Sep 7 – Sep 28 |
| Green Beans | — | — | Apr 5 – Apr 26 | Aug 17 – Aug 31 |
| Sweet Corn | — | — | Apr 5 – Apr 19 | — |
| Sweet Potatoes | — | Apr 12 – May 3 | — | — |
| Garlic | — | — | — | Oct 19 – Nov 23 |
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 Russellville Muni Ap, AR weather station, 17 km away (elevation 404 ft (123 m)).
Frost dates near Dover
- Russellville Mar 29 · Nov 2
- London Apr 1 · Nov 2
- Pottsville Mar 29 · Nov 2
- Lamar Mar 25 · Nov 10
- Knoxville Mar 24 · Nov 10
- Hector Apr 4 · Nov 2
- Delaware Apr 1 · Nov 2
- Dardanelle Apr 1 · Nov 2
- Atkins Mar 29 · Nov 2
- Hagarville Mar 25 · Nov 10
Frequently asked questions
When is the last frost in Dover, AR?
The median last spring frost in Dover, AR is March 29. There is still about a 10% chance of frost after April 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Dover, AR?
The median first fall frost is November 2, with about a 10% chance of frost before October 20.
How long is the growing season in Dover, AR?
About 218 days between the median last spring frost and first fall frost.
What planting zone is Dover, AR?
Dover, AR is in USDA hardiness zone 7b.