Sidney, AR frost dates
Last spring frostApr 14median date
First fall frostOct 20median date
Growing season189 daysfrost-free
Hardiness zone7aZone 7a
How Sidney compares
- In 8 years out of 10, the last spring frost in Sidney falls between March 29 and April 29, a 31-day window. The first fall frost falls between October 6 and November 2.
- The median last frost is 17 days later than the Arkansas median of Mar 28.
- Its 189-day growing season is among the shortest of the 603 Arkansas places with a regular frost season.
- The last frost is typical for zone 7a, where the median is Apr 16.
- The weather station records an average of 98 nights a year at or below 32°F.
- Compared with Jonesboro, AR, 88 km away, the last frost here is 22 days later than there and the growing season is 42 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 29 |
| 50% (median) | April 14 |
| 10% (safe for tender plants) | April 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 6 |
| 50% (median) | October 20 |
| 90% (late) | November 2 |
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 Sidney, AR
Sidney, AR frost dates — last frost Apr 14, first frost Oct 20, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 20 to Feb 3Transplant outside: Mar 17 to Mar 31
Start indoors: Feb 3 to Feb 17Transplant outside: Apr 28 to May 12
Start indoors: Feb 3 to Feb 17Transplant outside: Apr 28 to May 12
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 21 to May 5
Start indoors: Feb 17 to Mar 3Transplant outside: Mar 24 to Apr 7Sow outdoors: Mar 17 to Apr 21Plant for fall: Aug 25 to Sep 22
Start indoors: Feb 17 to Mar 3Transplant outside: Mar 17 to Mar 31Sow outdoors: Mar 17 to Mar 31Plant for fall: Aug 11 to Sep 1
Start indoors: Feb 17 to Mar 3Transplant outside: Mar 31 to Apr 14Plant for fall: Jul 14 to Aug 4
Start indoors: Feb 17 to Mar 3Transplant outside: Mar 24 to Apr 7Plant for fall: Jul 14 to Aug 4
Start indoors: Feb 17 to Mar 3Transplant outside: Mar 31 to Apr 14Plant for fall: Jul 14 to Aug 4
Start indoors: Mar 3 to Mar 17Transplant outside: May 5 to May 19Sow outdoors: May 5 to May 19
Start indoors: Mar 3 to Mar 17Transplant outside: Apr 21 to May 5
Sow outdoors: Mar 3 to Mar 24Plant for fall: Jul 28 to Aug 18
Sow outdoors: Mar 3 to Mar 24Plant for fall: Aug 25 to Sep 15
Sow outdoors: Mar 10 to Apr 21Plant for fall: Sep 8 to Sep 29
Start indoors: Mar 17 to Mar 24Transplant outside: Apr 28 to May 5Sow outdoors: Apr 21 to May 5Plant for fall: Aug 4 to Aug 18
Start indoors: Mar 17 to Mar 24Sow outdoors: Apr 21 to May 5Plant for fall: Aug 11 to Aug 25
Start indoors: Mar 17 to Mar 24Sow outdoors: Apr 21 to May 5
Start indoors: Mar 17 to Mar 24Transplant outside: Apr 28 to May 12
Sow outdoors: Mar 24 to Apr 21Plant for fall: Jul 28 to Aug 11
Sow outdoors: Mar 24 to Apr 21Plant for fall: Aug 11 to Aug 25
Sow outdoors: Mar 24 to Apr 14
Sow outdoors: Mar 31 to Apr 28Plant for fall: Aug 11 to Aug 25
Sow outdoors: Mar 31 to Apr 21Plant for fall: Aug 25 to Sep 15
Sow outdoors: Apr 21 to May 12Plant for fall: Aug 4 to Aug 18
Sow outdoors: Apr 21 to May 5
Transplant outside: Apr 28 to May 19
Plant for fall: Oct 6 to Nov 10
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Sidney, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 20 – Feb 3 | Mar 17 – Mar 31 | — | — |
| Peppers | Feb 3 – Feb 17 | Apr 28 – May 12 | — | — |
| Eggplant | Feb 3 – Feb 17 | Apr 28 – May 12 | — | — |
| Tomatoes | Feb 17 – Mar 3 | Apr 21 – May 5 | — | — |
| Lettuce | Feb 17 – Mar 3 | Mar 24 – Apr 7 | Mar 17 – Apr 21 | Aug 25 – Sep 22 |
| Kale | Feb 17 – Mar 3 | Mar 17 – Mar 31 | Mar 17 – Mar 31 | Aug 11 – Sep 1 |
| Broccoli | Feb 17 – Mar 3 | Mar 31 – Apr 14 | — | Jul 14 – Aug 4 |
| Cabbage | Feb 17 – Mar 3 | Mar 24 – Apr 7 | — | Jul 14 – Aug 4 |
| Cauliflower | Feb 17 – Mar 3 | Mar 31 – Apr 14 | — | Jul 14 – Aug 4 |
| Okra | Mar 3 – Mar 17 | May 5 – May 19 | May 5 – May 19 | — |
| Basil | Mar 3 – Mar 17 | Apr 21 – May 5 | — | — |
| Peas | — | — | Mar 3 – Mar 24 | Jul 28 – Aug 18 |
| Spinach | — | — | Mar 3 – Mar 24 | Aug 25 – Sep 15 |
| Radishes | — | — | Mar 10 – Apr 21 | Sep 8 – Sep 29 |
| Cucumbers | Mar 17 – Mar 24 | Apr 28 – May 5 | Apr 21 – May 5 | Aug 4 – Aug 18 |
| Zucchini & Summer Squash | Mar 17 – Mar 24 | — | Apr 21 – May 5 | Aug 11 – Aug 25 |
| Winter Squash & Pumpkins | Mar 17 – Mar 24 | — | Apr 21 – May 5 | — |
| Melons & Watermelon | Mar 17 – Mar 24 | Apr 28 – May 12 | — | — |
| Carrots | — | — | Mar 24 – Apr 21 | Jul 28 – Aug 11 |
| Beets | — | — | Mar 24 – Apr 21 | Aug 11 – Aug 25 |
| Potatoes | — | — | Mar 24 – Apr 14 | — |
| Swiss Chard | — | — | Mar 31 – Apr 28 | Aug 11 – Aug 25 |
| Cilantro | — | — | Mar 31 – Apr 21 | Aug 25 – Sep 15 |
| Green Beans | — | — | Apr 21 – May 12 | Aug 4 – Aug 18 |
| Sweet Corn | — | — | Apr 21 – May 5 | — |
| Sweet Potatoes | — | Apr 28 – May 19 | — | — |
| Garlic | — | — | — | Oct 6 – Nov 10 |
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 Evening Shade 1 Nne, AR weather station, 3 km away (elevation 515 ft (157 m)).
Frost dates near Sidney
- Evening Shade Apr 14 · Oct 20
- Sage Apr 14 · Oct 20
- Poughkeepsie Apr 14 · Oct 20
- Cave City Apr 14 · Oct 20
- Mount Pleasant Apr 8 · Oct 26
- Franklin Apr 14 · Oct 20
- Ash Flat Apr 4 · Oct 31
- Horseshoe Bend Apr 8 · Oct 30
- Violet Hill Apr 8 · Oct 30
- Cushman Apr 8 · Oct 26
Frequently asked questions
When is the last frost in Sidney, AR?
The median last spring frost in Sidney, AR is April 14. There is still about a 10% chance of frost after April 29, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sidney, AR?
The median first fall frost is October 20, with about a 10% chance of frost before October 6.
How long is the growing season in Sidney, AR?
About 189 days between the median last spring frost and first fall frost.
What planting zone is Sidney, AR?
Sidney, AR is in USDA hardiness zone 7a.