Monroe, AR frost dates
Last spring frostMar 15median date
First fall frostNov 11median date
Growing season241 daysfrost-free
Hardiness zone8aZone 8a
How Monroe compares
- In 8 years out of 10, the last spring frost in Monroe falls between February 27 and April 1, a 33-day window. The first fall frost falls between October 28 and November 30.
- The median last frost is 13 days earlier than the Arkansas median of Mar 28.
- Its 241-day growing season is longer than 89% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is 14 days earlier than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 55 nights a year at or below 32°F.
- Compared with Southaven, MS, 107 km away, the last frost here is 1 day earlier than there and the growing season is 4 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 27 |
| 50% (median) | March 15 |
| 10% (safe for tender plants) | April 1 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 28 |
| 50% (median) | November 11 |
| 90% (late) | November 30 |
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 Monroe, AR
Monroe, AR frost dates — last frost Mar 15, first frost Nov 11, zone 8a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 21 to Jan 4Start indoors: Dec 21 to Jan 4Transplant outside: Feb 15 to Mar 1
Start indoors: Jan 4 to Jan 18Transplant outside: Mar 29 to Apr 12
Start indoors: Jan 4 to Jan 18Transplant outside: Mar 29 to Apr 12
Start indoors: Jan 18 to Feb 1Transplant outside: Mar 22 to Apr 5
Start indoors: Jan 18 to Feb 1Transplant outside: Feb 22 to Mar 8Sow outdoors: Feb 15 to Mar 22Plant for fall: Sep 16 to Oct 14
Start indoors: Jan 18 to Feb 1Transplant outside: Feb 15 to Mar 1Sow outdoors: Feb 15 to Mar 1Plant for fall: Sep 2 to Sep 23
Start indoors: Jan 18 to Feb 1Transplant outside: Mar 1 to Mar 15Plant for fall: Aug 5 to Aug 26
Start indoors: Jan 18 to Feb 1Transplant outside: Feb 22 to Mar 8Plant for fall: Aug 5 to Aug 26
Start indoors: Jan 18 to Feb 1Transplant outside: Mar 1 to Mar 15Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 1 to Feb 15Transplant outside: Apr 5 to Apr 19Sow outdoors: Apr 5 to Apr 19
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 22 to Apr 5
Sow outdoors: Feb 1 to Feb 22Plant for fall: Aug 19 to Sep 9
Sow outdoors: Feb 1 to Feb 22Plant for fall: Sep 16 to Oct 7
Sow outdoors: Feb 8 to Mar 22Plant for fall: Sep 30 to Oct 21
Start indoors: Feb 15 to Feb 22Transplant outside: Mar 29 to Apr 5Sow outdoors: Mar 22 to Apr 5Plant for fall: Aug 26 to Sep 9
Start indoors: Feb 15 to Feb 22Sow outdoors: Mar 22 to Apr 5Plant for fall: Sep 2 to Sep 16
Start indoors: Feb 15 to Feb 22Sow outdoors: Mar 22 to Apr 5
Start indoors: Feb 15 to Feb 22Transplant outside: Mar 29 to Apr 12
Sow outdoors: Feb 22 to Mar 22Plant for fall: Aug 19 to Sep 2
Sow outdoors: Feb 22 to Mar 22Plant for fall: Sep 2 to Sep 16
Sow outdoors: Feb 22 to Mar 15
Sow outdoors: Mar 1 to Mar 29Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 1 to Mar 22Plant for fall: Sep 16 to Oct 7
Sow outdoors: Mar 22 to Apr 12Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 22 to Apr 5
Transplant outside: Mar 29 to Apr 19
Plant for fall: Oct 28 to Dec 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Monroe, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 21 – Jan 4 | Feb 15 – Mar 1 | — | — |
| Peppers | Jan 4 – Jan 18 | Mar 29 – Apr 12 | — | — |
| Eggplant | Jan 4 – Jan 18 | Mar 29 – Apr 12 | — | — |
| Tomatoes | Jan 18 – Feb 1 | Mar 22 – Apr 5 | — | — |
| Lettuce | Jan 18 – Feb 1 | Feb 22 – Mar 8 | Feb 15 – Mar 22 | Sep 16 – Oct 14 |
| Kale | Jan 18 – Feb 1 | Feb 15 – Mar 1 | Feb 15 – Mar 1 | Sep 2 – Sep 23 |
| Broccoli | Jan 18 – Feb 1 | Mar 1 – Mar 15 | — | Aug 5 – Aug 26 |
| Cabbage | Jan 18 – Feb 1 | Feb 22 – Mar 8 | — | Aug 5 – Aug 26 |
| Cauliflower | Jan 18 – Feb 1 | Mar 1 – Mar 15 | — | Aug 5 – Aug 26 |
| Okra | Feb 1 – Feb 15 | Apr 5 – Apr 19 | Apr 5 – Apr 19 | — |
| Basil | Feb 1 – Feb 15 | Mar 22 – Apr 5 | — | — |
| Peas | — | — | Feb 1 – Feb 22 | Aug 19 – Sep 9 |
| Spinach | — | — | Feb 1 – Feb 22 | Sep 16 – Oct 7 |
| Radishes | — | — | Feb 8 – Mar 22 | Sep 30 – Oct 21 |
| Cucumbers | Feb 15 – Feb 22 | Mar 29 – Apr 5 | Mar 22 – Apr 5 | Aug 26 – Sep 9 |
| Zucchini & Summer Squash | Feb 15 – Feb 22 | — | Mar 22 – Apr 5 | Sep 2 – Sep 16 |
| Winter Squash & Pumpkins | Feb 15 – Feb 22 | — | Mar 22 – Apr 5 | — |
| Melons & Watermelon | Feb 15 – Feb 22 | Mar 29 – Apr 12 | — | — |
| Carrots | — | — | Feb 22 – Mar 22 | Aug 19 – Sep 2 |
| Beets | — | — | Feb 22 – Mar 22 | Sep 2 – Sep 16 |
| Potatoes | — | — | Feb 22 – Mar 15 | — |
| Swiss Chard | — | — | Mar 1 – Mar 29 | Sep 2 – Sep 16 |
| Cilantro | — | — | Mar 1 – Mar 22 | Sep 16 – Oct 7 |
| Green Beans | — | — | Mar 22 – Apr 12 | Aug 26 – Sep 9 |
| Sweet Corn | — | — | Mar 22 – Apr 5 | — |
| Sweet Potatoes | — | Mar 29 – Apr 19 | — | — |
| Garlic | — | — | — | Oct 28 – Dec 2 |
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 Clarendon, AR weather station, 19 km away (elevation 180 ft (55 m)).
Frost dates near Monroe
- Moro Mar 18 · Nov 11
- Clarendon Mar 15 · Nov 11
- Holly Grove Mar 15 · Nov 11
- Brinkley Mar 18 · Nov 11
- Aubrey Mar 18 · Nov 11
- Wheatley Mar 18 · Nov 11
- Goodwin Mar 18 · Nov 11
- Marvell Mar 17 · Nov 10
- Roe Mar 15 · Nov 11
- Turner Mar 17 · Nov 10
Frequently asked questions
When is the last frost in Monroe, AR?
The median last spring frost in Monroe, AR is March 15. There is still about a 10% chance of frost after April 1, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Monroe, AR?
The median first fall frost is November 11, with about a 10% chance of frost before October 28.
How long is the growing season in Monroe, AR?
About 241 days between the median last spring frost and first fall frost.
What planting zone is Monroe, AR?
Monroe, AR is in USDA hardiness zone 8a.