Arnett, OK frost dates
Last spring frostApr 15median date
First fall frostOct 27median date
Growing season195 daysfrost-free
Hardiness zone7aZone 7a
How Arnett compares
- In 8 years out of 10, the last spring frost in Arnett falls between April 1 and April 29, a 28-day window. The first fall frost falls between October 14 and November 8.
- The median last frost is 11 days later than the Oklahoma median of Apr 4.
- Its 195-day growing season is longer than 6% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is typical for zone 7a, where the median is Apr 16.
- The weather station records an average of 116 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 1 |
| 50% (median) | April 15 |
| 10% (safe for tender plants) | April 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 14 |
| 50% (median) | October 27 |
| 90% (late) | November 8 |
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 Arnett, OK
Arnett, OK frost dates — last frost Apr 15, first frost Oct 27, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 21 to Feb 4Transplant outside: Mar 18 to Apr 1
Start indoors: Feb 4 to Feb 18Transplant outside: Apr 29 to May 13
Start indoors: Feb 4 to Feb 18Transplant outside: Apr 29 to May 13
Start indoors: Feb 18 to Mar 4Transplant outside: Apr 22 to May 6
Start indoors: Feb 18 to Mar 4Transplant outside: Mar 25 to Apr 8Sow outdoors: Mar 18 to Apr 22Plant for fall: Sep 1 to Sep 29
Start indoors: Feb 18 to Mar 4Transplant outside: Mar 18 to Apr 1Sow outdoors: Mar 18 to Apr 1Plant for fall: Aug 18 to Sep 8
Start indoors: Feb 18 to Mar 4Transplant outside: Apr 1 to Apr 15Plant for fall: Jul 21 to Aug 11
Start indoors: Feb 18 to Mar 4Transplant outside: Mar 25 to Apr 8Plant for fall: Jul 21 to Aug 11
Start indoors: Feb 18 to Mar 4Transplant outside: Apr 1 to Apr 15Plant for fall: Jul 21 to Aug 11
Start indoors: Mar 4 to Mar 18Transplant outside: May 6 to May 20Sow outdoors: May 6 to May 20
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 22 to May 6
Sow outdoors: Mar 4 to Mar 25Plant for fall: Aug 4 to Aug 25
Sow outdoors: Mar 4 to Mar 25Plant for fall: Sep 1 to Sep 22
Sow outdoors: Mar 11 to Apr 22Plant for fall: Sep 15 to Oct 6
Start indoors: Mar 18 to Mar 25Transplant outside: Apr 29 to May 6Sow outdoors: Apr 22 to May 6Plant for fall: Aug 11 to Aug 25
Start indoors: Mar 18 to Mar 25Sow outdoors: Apr 22 to May 6Plant for fall: Aug 18 to Sep 1
Start indoors: Mar 18 to Mar 25Sow outdoors: Apr 22 to May 6
Start indoors: Mar 18 to Mar 25Transplant outside: Apr 29 to May 13
Sow outdoors: Mar 25 to Apr 22Plant for fall: Aug 4 to Aug 18
Sow outdoors: Mar 25 to Apr 22Plant for fall: Aug 18 to Sep 1
Sow outdoors: Mar 25 to Apr 15
Sow outdoors: Apr 1 to Apr 29Plant for fall: Aug 18 to Sep 1
Sow outdoors: Apr 1 to Apr 22Plant for fall: Sep 1 to Sep 22
Sow outdoors: Apr 22 to May 13Plant for fall: Aug 11 to Aug 25
Sow outdoors: Apr 22 to May 6
Transplant outside: Apr 29 to May 20
Plant for fall: Oct 13 to Nov 17
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Arnett, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 21 – Feb 4 | Mar 18 – Apr 1 | — | — |
| Peppers | Feb 4 – Feb 18 | Apr 29 – May 13 | — | — |
| Eggplant | Feb 4 – Feb 18 | Apr 29 – May 13 | — | — |
| Tomatoes | Feb 18 – Mar 4 | Apr 22 – May 6 | — | — |
| Lettuce | Feb 18 – Mar 4 | Mar 25 – Apr 8 | Mar 18 – Apr 22 | Sep 1 – Sep 29 |
| Kale | Feb 18 – Mar 4 | Mar 18 – Apr 1 | Mar 18 – Apr 1 | Aug 18 – Sep 8 |
| Broccoli | Feb 18 – Mar 4 | Apr 1 – Apr 15 | — | Jul 21 – Aug 11 |
| Cabbage | Feb 18 – Mar 4 | Mar 25 – Apr 8 | — | Jul 21 – Aug 11 |
| Cauliflower | Feb 18 – Mar 4 | Apr 1 – Apr 15 | — | Jul 21 – Aug 11 |
| Okra | Mar 4 – Mar 18 | May 6 – May 20 | May 6 – May 20 | — |
| Basil | Mar 4 – Mar 18 | Apr 22 – May 6 | — | — |
| Peas | — | — | Mar 4 – Mar 25 | Aug 4 – Aug 25 |
| Spinach | — | — | Mar 4 – Mar 25 | Sep 1 – Sep 22 |
| Radishes | — | — | Mar 11 – Apr 22 | Sep 15 – Oct 6 |
| Cucumbers | Mar 18 – Mar 25 | Apr 29 – May 6 | Apr 22 – May 6 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 18 – Mar 25 | — | Apr 22 – May 6 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 18 – Mar 25 | — | Apr 22 – May 6 | — |
| Melons & Watermelon | Mar 18 – Mar 25 | Apr 29 – May 13 | — | — |
| Carrots | — | — | Mar 25 – Apr 22 | Aug 4 – Aug 18 |
| Beets | — | — | Mar 25 – Apr 22 | Aug 18 – Sep 1 |
| Potatoes | — | — | Mar 25 – Apr 15 | — |
| Swiss Chard | — | — | Apr 1 – Apr 29 | Aug 18 – Sep 1 |
| Cilantro | — | — | Apr 1 – Apr 22 | Sep 1 – Sep 22 |
| Green Beans | — | — | Apr 22 – May 13 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | Apr 22 – May 6 | — |
| Sweet Potatoes | — | Apr 29 – May 20 | — | — |
| Garlic | — | — | — | Oct 13 – Nov 17 |
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 Arnett 3ne, OK weather station, 14 km away (elevation 2,428 ft (740 m)).
Frost dates near Arnett
- Crawford Apr 9 · Oct 27
- Gage Apr 17 · Oct 20
- Shattuck Apr 17 · Oct 20
- Durham Apr 9 · Oct 27
- Camargo Apr 15 · Oct 23
- Leedey Apr 15 · Oct 23
- Sharon Apr 19 · Oct 26
- Vici Apr 19 · Oct 26
- Fargo Apr 17 · Oct 20
- Cheyenne Apr 3 · Nov 3
Frequently asked questions
When is the last frost in Arnett, OK?
The median last spring frost in Arnett, OK is April 15. 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 Arnett, OK?
The median first fall frost is October 27, with about a 10% chance of frost before October 14.
How long is the growing season in Arnett, OK?
About 195 days between the median last spring frost and first fall frost.
What planting zone is Arnett, OK?
Arnett, OK is in USDA hardiness zone 7a.