Frost dates for 71999 — Arkadelphia, AR
Last spring frostMar 26median date
First fall frostNov 4median date
Growing season223 daysfrost-free
Hardiness zone8aZone 8a
How Arkadelphia compares
- In 8 years out of 10, the last spring frost in Arkadelphia falls between March 6 and April 11, a 36-day window. The first fall frost falls between October 23 and November 21.
- The median last frost is 2 days earlier than the Arkansas median of Mar 28.
- Its 223-day growing season is longer than 50% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is typical for zone 8a, where the median is Mar 29.
- The weather station records an average of 66 nights a year at or below 32°F.
- Compared with Little Rock, AR, 96 km away, the last frost here is 5 days later than there and the growing season is 11 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 6 |
| 50% (median) | March 26 |
| 10% (safe for tender plants) | April 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 23 |
| 50% (median) | November 4 |
| 90% (late) | November 21 |
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 Arkadelphia, AR
Frost dates for 71999 — Arkadelphia, AR — last frost Mar 26, first frost Nov 4, zone 8a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Jan 1 to Jan 15Transplant outside: Feb 26 to Mar 12
Start indoors: Jan 15 to Jan 29Transplant outside: Apr 9 to Apr 23
Start indoors: Jan 15 to Jan 29Transplant outside: Apr 9 to Apr 23
Start indoors: Jan 29 to Feb 12Transplant outside: Apr 2 to Apr 16
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 5 to Mar 19Sow outdoors: Feb 26 to Apr 2Plant for fall: Sep 9 to Oct 7
Start indoors: Jan 29 to Feb 12Transplant outside: Feb 26 to Mar 12Sow outdoors: Feb 26 to Mar 12Plant for fall: Aug 26 to Sep 16
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 12 to Mar 26Plant for fall: Jul 29 to Aug 19
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 5 to Mar 19Plant for fall: Jul 29 to Aug 19
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 12 to Mar 26Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 12 to Feb 26Transplant outside: Apr 16 to Apr 30Sow outdoors: Apr 16 to Apr 30
Start indoors: Feb 12 to Feb 26Transplant outside: Apr 2 to Apr 16
Sow outdoors: Feb 12 to Mar 5Plant for fall: Aug 12 to Sep 2
Sow outdoors: Feb 12 to Mar 5Plant for fall: Sep 9 to Sep 30
Sow outdoors: Feb 19 to Apr 2Plant for fall: Sep 23 to Oct 14
Start indoors: Feb 26 to Mar 5Transplant outside: Apr 9 to Apr 16Sow outdoors: Apr 2 to Apr 16Plant for fall: Aug 19 to Sep 2
Start indoors: Feb 26 to Mar 5Sow outdoors: Apr 2 to Apr 16Plant for fall: Aug 26 to Sep 9
Start indoors: Feb 26 to Mar 5Sow outdoors: Apr 2 to Apr 16
Start indoors: Feb 26 to Mar 5Transplant outside: Apr 9 to Apr 23
Sow outdoors: Mar 5 to Apr 2Plant for fall: Aug 12 to Aug 26
Sow outdoors: Mar 5 to Apr 2Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 5 to Mar 26
Sow outdoors: Mar 12 to Apr 9Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 12 to Apr 2Plant for fall: Sep 9 to Sep 30
Sow outdoors: Apr 2 to Apr 23Plant for fall: Aug 19 to Sep 2
Sow outdoors: Apr 2 to Apr 16
Transplant outside: Apr 9 to Apr 30
Plant for fall: Oct 21 to Nov 25
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Arkadelphia, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 1 – Jan 15 | Feb 26 – Mar 12 | — | — |
| Peppers | Jan 15 – Jan 29 | Apr 9 – Apr 23 | — | — |
| Eggplant | Jan 15 – Jan 29 | Apr 9 – Apr 23 | — | — |
| Tomatoes | Jan 29 – Feb 12 | Apr 2 – Apr 16 | — | — |
| Lettuce | Jan 29 – Feb 12 | Mar 5 – Mar 19 | Feb 26 – Apr 2 | Sep 9 – Oct 7 |
| Kale | Jan 29 – Feb 12 | Feb 26 – Mar 12 | Feb 26 – Mar 12 | Aug 26 – Sep 16 |
| Broccoli | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Jul 29 – Aug 19 |
| Cabbage | Jan 29 – Feb 12 | Mar 5 – Mar 19 | — | Jul 29 – Aug 19 |
| Cauliflower | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Jul 29 – Aug 19 |
| Okra | Feb 12 – Feb 26 | Apr 16 – Apr 30 | Apr 16 – Apr 30 | — |
| Basil | Feb 12 – Feb 26 | Apr 2 – Apr 16 | — | — |
| Peas | — | — | Feb 12 – Mar 5 | Aug 12 – Sep 2 |
| Spinach | — | — | Feb 12 – Mar 5 | Sep 9 – Sep 30 |
| Radishes | — | — | Feb 19 – Apr 2 | Sep 23 – Oct 14 |
| Cucumbers | Feb 26 – Mar 5 | Apr 9 – Apr 16 | Apr 2 – Apr 16 | Aug 19 – Sep 2 |
| Zucchini & Summer Squash | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | Aug 26 – Sep 9 |
| Winter Squash & Pumpkins | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | — |
| Melons & Watermelon | Feb 26 – Mar 5 | Apr 9 – Apr 23 | — | — |
| Carrots | — | — | Mar 5 – Apr 2 | Aug 12 – Aug 26 |
| Beets | — | — | Mar 5 – Apr 2 | Aug 26 – Sep 9 |
| Potatoes | — | — | Mar 5 – Mar 26 | — |
| Swiss Chard | — | — | Mar 12 – Apr 9 | Aug 26 – Sep 9 |
| Cilantro | — | — | Mar 12 – Apr 2 | Sep 9 – Sep 30 |
| Green Beans | — | — | Apr 2 – Apr 23 | Aug 19 – Sep 2 |
| Sweet Corn | — | — | Apr 2 – Apr 16 | — |
| Sweet Potatoes | — | Apr 9 – Apr 30 | — | — |
| Garlic | — | — | — | Oct 21 – Nov 25 |
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 Arkadelphia 2 N, AR weather station, 3 km away (elevation 197 ft (60 m)).
ZIP codes in Arkadelphia: 71923 71998 71999
Frost dates near Arkadelphia
- Friendship Mar 24 · Nov 9
- Curtis Mar 26 · Nov 4
- Donaldson Mar 24 · Nov 9
- Okolona Mar 26 · Nov 4
- Bismarck Mar 20 · Nov 10
- Gurdon Mar 29 · Nov 6
- Beirne Mar 29 · Nov 6
- Sparkman Mar 29 · Nov 4
Frequently asked questions
When is the last frost in Arkadelphia, AR?
The median last spring frost in Arkadelphia, AR is March 26. There is still about a 10% chance of frost after April 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Arkadelphia, AR?
The median first fall frost is November 4, with about a 10% chance of frost before October 23.
How long is the growing season in Arkadelphia, AR?
About 223 days between the median last spring frost and first fall frost.
What planting zone is Arkadelphia, AR?
Arkadelphia, AR is in USDA hardiness zone 8a.