Frost dates for 72403 — Jonesboro, AR
How Jonesboro compares
- In 8 years out of 10, the last spring frost in Jonesboro falls between March 15 and April 18, a 34-day window. The first fall frost falls between October 21 and November 16.
- The median last frost is 4 days later than the Arkansas median of Mar 28.
- Its 214-day growing season is longer than 28% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is 4 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 75 nights a year at or below 32°F.
- Compared with Memphis, TN, 100 km away, the last frost here is 16 days later than there and the growing season is 31 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 15 |
| 50% (median) | April 1 |
| 10% (safe for tender plants) | April 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 1 |
| 90% (late) | November 16 |
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 72403 — Jonesboro, AR — last frost Apr 1, first frost Nov 1, zone 7b. whenisthelastfrost.com
When to plant vegetables in Jonesboro, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 7 – Jan 21 | Mar 4 – Mar 18 | — | — |
| Peppers | Jan 21 – Feb 4 | Apr 15 – Apr 29 | — | — |
| Eggplant | Jan 21 – Feb 4 | Apr 15 – Apr 29 | — | — |
| Tomatoes | Feb 4 – Feb 18 | Apr 8 – Apr 22 | — | — |
| Lettuce | Feb 4 – Feb 18 | Mar 11 – Mar 25 | Mar 4 – Apr 8 | Sep 6 – Oct 4 |
| Kale | Feb 4 – Feb 18 | Mar 4 – Mar 18 | Mar 4 – Mar 18 | Aug 23 – Sep 13 |
| Broccoli | Feb 4 – Feb 18 | Mar 18 – Apr 1 | — | Jul 26 – Aug 16 |
| Cabbage | Feb 4 – Feb 18 | Mar 11 – Mar 25 | — | Jul 26 – Aug 16 |
| Cauliflower | Feb 4 – Feb 18 | Mar 18 – Apr 1 | — | Jul 26 – Aug 16 |
| Okra | Feb 18 – Mar 4 | Apr 22 – May 6 | Apr 22 – May 6 | — |
| Basil | Feb 18 – Mar 4 | Apr 8 – Apr 22 | — | — |
| Peas | — | — | Feb 18 – Mar 11 | Aug 9 – Aug 30 |
| Spinach | — | — | Feb 18 – Mar 11 | Sep 6 – Sep 27 |
| Radishes | — | — | Feb 25 – Apr 8 | Sep 20 – Oct 11 |
| Cucumbers | Mar 4 – Mar 11 | Apr 15 – Apr 22 | Apr 8 – Apr 22 | Aug 16 – Aug 30 |
| Zucchini & Summer Squash | Mar 4 – Mar 11 | — | Apr 8 – Apr 22 | Aug 23 – Sep 6 |
| Winter Squash & Pumpkins | Mar 4 – Mar 11 | — | Apr 8 – Apr 22 | — |
| Melons & Watermelon | Mar 4 – Mar 11 | Apr 15 – Apr 29 | — | — |
| Carrots | — | — | Mar 11 – Apr 8 | Aug 9 – Aug 23 |
| Beets | — | — | Mar 11 – Apr 8 | Aug 23 – Sep 6 |
| Potatoes | — | — | Mar 11 – Apr 1 | — |
| Swiss Chard | — | — | Mar 18 – Apr 15 | Aug 23 – Sep 6 |
| Cilantro | — | — | Mar 18 – Apr 8 | Sep 6 – Sep 27 |
| Green Beans | — | — | Apr 8 – Apr 29 | Aug 16 – Aug 30 |
| Sweet Corn | — | — | Apr 8 – Apr 22 | — |
| Sweet Potatoes | — | Apr 15 – May 6 | — | — |
| Garlic | — | — | — | Oct 18 – Nov 22 |
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 2 Ne, AR weather station, 5 km away (elevation 312 ft (95 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
- Brookland Apr 1 · Nov 1
- Bay Mar 23 · Nov 9
- Cash Mar 27 · Nov 5
- Egypt Mar 27 · Nov 5
- Sedgwick Mar 27 · Nov 5
- Walcott Mar 26 · Nov 6
Frequently asked questions
When is the last frost in Jonesboro, AR?
The median last spring frost in Jonesboro, AR is April 1. There is still about a 10% chance of frost after April 18, 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 1, with about a 10% chance of frost before October 21.
How long is the growing season in Jonesboro, AR?
About 214 days between the median last spring frost and first fall frost.
What planting zone is Jonesboro, AR?
Jonesboro, AR is in USDA hardiness zone 7b.