Frost dates for 72404 — Jonesboro, AR
How Jonesboro compares
- In 8 years out of 10, the last spring frost in Jonesboro falls between March 7 and April 9, a 33-day window. The first fall frost falls between October 27 and November 26.
- The median last frost is 5 days earlier than the Arkansas median of Mar 28.
- Its 231-day growing season is longer than 70% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is 6 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 65 nights a year at or below 32°F.
- Compared with Memphis, TN, 100 km away, the last frost here is 7 days later than there and the growing season is 14 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 7 |
| 50% (median) | March 23 |
| 10% (safe for tender plants) | April 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 9 |
| 90% (late) | November 26 |
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 Jonesboro, AR
Frost dates for 72404 — Jonesboro, AR — last frost Mar 23, first frost Nov 9, zone 8a. whenisthelastfrost.com
When to plant vegetables in Jonesboro, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 29 – Jan 12 | Feb 23 – Mar 9 | — | — |
| Peppers | Jan 12 – Jan 26 | Apr 6 – Apr 20 | — | — |
| Eggplant | Jan 12 – Jan 26 | Apr 6 – Apr 20 | — | — |
| Tomatoes | Jan 26 – Feb 9 | Mar 30 – Apr 13 | — | — |
| Lettuce | Jan 26 – Feb 9 | Mar 2 – Mar 16 | Feb 23 – Mar 30 | Sep 14 – Oct 12 |
| Kale | Jan 26 – Feb 9 | Feb 23 – Mar 9 | Feb 23 – Mar 9 | Aug 31 – Sep 21 |
| Broccoli | Jan 26 – Feb 9 | Mar 9 – Mar 23 | — | Aug 3 – Aug 24 |
| Cabbage | Jan 26 – Feb 9 | Mar 2 – Mar 16 | — | Aug 3 – Aug 24 |
| Cauliflower | Jan 26 – Feb 9 | Mar 9 – Mar 23 | — | Aug 3 – Aug 24 |
| Okra | Feb 9 – Feb 23 | Apr 13 – Apr 27 | Apr 13 – Apr 27 | — |
| Basil | Feb 9 – Feb 23 | Mar 30 – Apr 13 | — | — |
| Peas | — | — | Feb 9 – Mar 2 | Aug 17 – Sep 7 |
| Spinach | — | — | Feb 9 – Mar 2 | Sep 14 – Oct 5 |
| Radishes | — | — | Feb 16 – Mar 30 | Sep 28 – Oct 19 |
| Cucumbers | Feb 23 – Mar 2 | Apr 6 – Apr 13 | Mar 30 – Apr 13 | Aug 24 – Sep 7 |
| Zucchini & Summer Squash | Feb 23 – Mar 2 | — | Mar 30 – Apr 13 | Aug 31 – Sep 14 |
| Winter Squash & Pumpkins | Feb 23 – Mar 2 | — | Mar 30 – Apr 13 | — |
| Melons & Watermelon | Feb 23 – Mar 2 | Apr 6 – Apr 20 | — | — |
| Carrots | — | — | Mar 2 – Mar 30 | Aug 17 – Aug 31 |
| Beets | — | — | Mar 2 – Mar 30 | Aug 31 – Sep 14 |
| Potatoes | — | — | Mar 2 – Mar 23 | — |
| Swiss Chard | — | — | Mar 9 – Apr 6 | Aug 31 – Sep 14 |
| Cilantro | — | — | Mar 9 – Mar 30 | Sep 14 – Oct 5 |
| Green Beans | — | — | Mar 30 – Apr 20 | Aug 24 – Sep 7 |
| Sweet Corn | — | — | Mar 30 – Apr 13 | — |
| Sweet Potatoes | — | Apr 6 – Apr 27 | — | — |
| Garlic | — | — | — | Oct 26 – Nov 30 |
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 Jonesboro Muni Ap, AR weather station, 12 km away (elevation 262 ft (80 m)).
ZIP codes in Jonesboro: 72401 72402 72403 72404 72405
Frost dates near Jonesboro
- State University Apr 1 · Nov 1
- Bono Apr 1 · Nov 1
- Cash Mar 27 · Nov 5
- Egypt Mar 27 · Nov 5
- Bay Mar 23 · Nov 9
- Weiner Mar 23 · Nov 5
- Brookland Apr 1 · Nov 1
- Sedgwick Mar 27 · Nov 5
Frequently asked questions
When is the last frost in Jonesboro, AR?
The median last spring frost in Jonesboro, AR is March 23. There is still about a 10% chance of frost after April 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jonesboro, AR?
The median first fall frost is November 9, with about a 10% chance of frost before October 27.
How long is the growing season in Jonesboro, AR?
About 231 days between the median last spring frost and first fall frost.
What planting zone is Jonesboro, AR?
Jonesboro, AR is in USDA hardiness zone 8a.