Mulhall, OK frost dates
Last spring frostApr 10median date
First fall frostOct 25median date
Growing season198 daysfrost-free
Hardiness zone7aZone 7a
How Mulhall compares
- In 8 years out of 10, the last spring frost in Mulhall falls between March 24 and April 29, a 36-day window. The first fall frost falls between October 12 and November 8.
- The median last frost is 6 days later than the Oklahoma median of Apr 4.
- Its 198-day growing season is longer than 10% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 6 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 103 nights a year at or below 32°F.
- Compared with Edmond, OK, 44 km away, the last frost here is 8 days later than there and the growing season is 19 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 24 |
| 50% (median) | April 10 |
| 10% (safe for tender plants) | April 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 12 |
| 50% (median) | October 25 |
| 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 Mulhall, OK
Mulhall, OK frost dates — last frost Apr 10, first frost Oct 25, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 16 to Jan 30Transplant outside: Mar 13 to Mar 27
Start indoors: Jan 30 to Feb 13Transplant outside: Apr 24 to May 8
Start indoors: Jan 30 to Feb 13Transplant outside: Apr 24 to May 8
Start indoors: Feb 13 to Feb 27Transplant outside: Apr 17 to May 1
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 20 to Apr 3Sow outdoors: Mar 13 to Apr 17Plant for fall: Aug 30 to Sep 27
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 13 to Mar 27Sow outdoors: Mar 13 to Mar 27Plant for fall: Aug 16 to Sep 6
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 27 to Apr 10Plant for fall: Jul 19 to Aug 9
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 20 to Apr 3Plant for fall: Jul 19 to Aug 9
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 27 to Apr 10Plant for fall: Jul 19 to Aug 9
Start indoors: Feb 27 to Mar 13Transplant outside: May 1 to May 15Sow outdoors: May 1 to May 15
Start indoors: Feb 27 to Mar 13Transplant outside: Apr 17 to May 1
Sow outdoors: Feb 27 to Mar 20Plant for fall: Aug 2 to Aug 23
Sow outdoors: Feb 27 to Mar 20Plant for fall: Aug 30 to Sep 20
Sow outdoors: Mar 6 to Apr 17Plant for fall: Sep 13 to Oct 4
Start indoors: Mar 13 to Mar 20Transplant outside: Apr 24 to May 1Sow outdoors: Apr 17 to May 1Plant for fall: Aug 9 to Aug 23
Start indoors: Mar 13 to Mar 20Sow outdoors: Apr 17 to May 1Plant for fall: Aug 16 to Aug 30
Start indoors: Mar 13 to Mar 20Sow outdoors: Apr 17 to May 1
Start indoors: Mar 13 to Mar 20Transplant outside: Apr 24 to May 8
Sow outdoors: Mar 20 to Apr 17Plant for fall: Aug 2 to Aug 16
Sow outdoors: Mar 20 to Apr 17Plant for fall: Aug 16 to Aug 30
Sow outdoors: Mar 20 to Apr 10
Sow outdoors: Mar 27 to Apr 24Plant for fall: Aug 16 to Aug 30
Sow outdoors: Mar 27 to Apr 17Plant for fall: Aug 30 to Sep 20
Sow outdoors: Apr 17 to May 8Plant for fall: Aug 9 to Aug 23
Sow outdoors: Apr 17 to May 1
Transplant outside: Apr 24 to May 15
Plant for fall: Oct 11 to Nov 15
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Mulhall, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 16 – Jan 30 | Mar 13 – Mar 27 | — | — |
| Peppers | Jan 30 – Feb 13 | Apr 24 – May 8 | — | — |
| Eggplant | Jan 30 – Feb 13 | Apr 24 – May 8 | — | — |
| Tomatoes | Feb 13 – Feb 27 | Apr 17 – May 1 | — | — |
| Lettuce | Feb 13 – Feb 27 | Mar 20 – Apr 3 | Mar 13 – Apr 17 | Aug 30 – Sep 27 |
| Kale | Feb 13 – Feb 27 | Mar 13 – Mar 27 | Mar 13 – Mar 27 | Aug 16 – Sep 6 |
| Broccoli | Feb 13 – Feb 27 | Mar 27 – Apr 10 | — | Jul 19 – Aug 9 |
| Cabbage | Feb 13 – Feb 27 | Mar 20 – Apr 3 | — | Jul 19 – Aug 9 |
| Cauliflower | Feb 13 – Feb 27 | Mar 27 – Apr 10 | — | Jul 19 – Aug 9 |
| Okra | Feb 27 – Mar 13 | May 1 – May 15 | May 1 – May 15 | — |
| Basil | Feb 27 – Mar 13 | Apr 17 – May 1 | — | — |
| Peas | — | — | Feb 27 – Mar 20 | Aug 2 – Aug 23 |
| Spinach | — | — | Feb 27 – Mar 20 | Aug 30 – Sep 20 |
| Radishes | — | — | Mar 6 – Apr 17 | Sep 13 – Oct 4 |
| Cucumbers | Mar 13 – Mar 20 | Apr 24 – May 1 | Apr 17 – May 1 | Aug 9 – Aug 23 |
| Zucchini & Summer Squash | Mar 13 – Mar 20 | — | Apr 17 – May 1 | Aug 16 – Aug 30 |
| Winter Squash & Pumpkins | Mar 13 – Mar 20 | — | Apr 17 – May 1 | — |
| Melons & Watermelon | Mar 13 – Mar 20 | Apr 24 – May 8 | — | — |
| Carrots | — | — | Mar 20 – Apr 17 | Aug 2 – Aug 16 |
| Beets | — | — | Mar 20 – Apr 17 | Aug 16 – Aug 30 |
| Potatoes | — | — | Mar 20 – Apr 10 | — |
| Swiss Chard | — | — | Mar 27 – Apr 24 | Aug 16 – Aug 30 |
| Cilantro | — | — | Mar 27 – Apr 17 | Aug 30 – Sep 20 |
| Green Beans | — | — | Apr 17 – May 8 | Aug 9 – Aug 23 |
| Sweet Corn | — | — | Apr 17 – May 1 | — |
| Sweet Potatoes | — | Apr 24 – May 15 | — | — |
| Garlic | — | — | — | Oct 11 – Nov 15 |
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 Orlando 5e Mesonet, OK weather station, 15 km away (elevation 961 ft (293 m)).
Frost dates near Mulhall
- Orlando Apr 10 · Oct 25
- Langston Apr 3 · Nov 1
- Crescent Apr 3 · Nov 4
- Marshall Apr 11 · Oct 31
- Coyle Apr 3 · Nov 1
- Guthrie Apr 3 · Nov 1
- Lucien Apr 4 · Nov 1
- Meridian Apr 10 · Oct 28
- Perry Apr 4 · Nov 1
- Stillwater Apr 5 · Oct 30
Frequently asked questions
When is the last frost in Mulhall, OK?
The median last spring frost in Mulhall, OK is April 10. 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 Mulhall, OK?
The median first fall frost is October 25, with about a 10% chance of frost before October 12.
How long is the growing season in Mulhall, OK?
About 198 days between the median last spring frost and first fall frost.
What planting zone is Mulhall, OK?
Mulhall, OK is in USDA hardiness zone 7a.