Bradley, OK frost dates
Last spring frostApr 13median date
First fall frostOct 27median date
Growing season197 daysfrost-free
Hardiness zone7bZone 7b
How Bradley compares
- In 8 years out of 10, the last spring frost in Bradley falls between March 29 and April 28, a 30-day window. The first fall frost falls between October 12 and November 10.
- The median last frost is 9 days later than the Oklahoma median of Apr 4.
- Its 197-day growing season is longer than 8% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 8 days later 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 86 nights a year at or below 32°F.
- Compared with Norman, OK, 47 km away, the last frost here is 10 days later than there and the growing season is 17 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 29 |
| 50% (median) | April 13 |
| 10% (safe for tender plants) | April 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 12 |
| 50% (median) | October 27 |
| 90% (late) | November 10 |
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 Bradley, OK
Bradley, OK frost dates — last frost Apr 13, first frost Oct 27, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 19 to Feb 2Transplant outside: Mar 16 to Mar 30
Start indoors: Feb 2 to Feb 16Transplant outside: Apr 27 to May 11
Start indoors: Feb 2 to Feb 16Transplant outside: Apr 27 to May 11
Start indoors: Feb 16 to Mar 2Transplant outside: Apr 20 to May 4
Start indoors: Feb 16 to Mar 2Transplant outside: Mar 23 to Apr 6Sow outdoors: Mar 16 to Apr 20Plant for fall: Sep 1 to Sep 29
Start indoors: Feb 16 to Mar 2Transplant outside: Mar 16 to Mar 30Sow outdoors: Mar 16 to Mar 30Plant for fall: Aug 18 to Sep 8
Start indoors: Feb 16 to Mar 2Transplant outside: Mar 30 to Apr 13Plant for fall: Jul 21 to Aug 11
Start indoors: Feb 16 to Mar 2Transplant outside: Mar 23 to Apr 6Plant for fall: Jul 21 to Aug 11
Start indoors: Feb 16 to Mar 2Transplant outside: Mar 30 to Apr 13Plant for fall: Jul 21 to Aug 11
Start indoors: Mar 2 to Mar 16Transplant outside: May 4 to May 18Sow outdoors: May 4 to May 18
Start indoors: Mar 2 to Mar 16Transplant outside: Apr 20 to May 4
Sow outdoors: Mar 2 to Mar 23Plant for fall: Aug 4 to Aug 25
Sow outdoors: Mar 2 to Mar 23Plant for fall: Sep 1 to Sep 22
Sow outdoors: Mar 9 to Apr 20Plant for fall: Sep 15 to Oct 6
Start indoors: Mar 16 to Mar 23Transplant outside: Apr 27 to May 4Sow outdoors: Apr 20 to May 4Plant for fall: Aug 11 to Aug 25
Start indoors: Mar 16 to Mar 23Sow outdoors: Apr 20 to May 4Plant for fall: Aug 18 to Sep 1
Start indoors: Mar 16 to Mar 23Sow outdoors: Apr 20 to May 4
Start indoors: Mar 16 to Mar 23Transplant outside: Apr 27 to May 11
Sow outdoors: Mar 23 to Apr 20Plant for fall: Aug 4 to Aug 18
Sow outdoors: Mar 23 to Apr 20Plant for fall: Aug 18 to Sep 1
Sow outdoors: Mar 23 to Apr 13
Sow outdoors: Mar 30 to Apr 27Plant for fall: Aug 18 to Sep 1
Sow outdoors: Mar 30 to Apr 20Plant for fall: Sep 1 to Sep 22
Sow outdoors: Apr 20 to May 11Plant for fall: Aug 11 to Aug 25
Sow outdoors: Apr 20 to May 4
Transplant outside: Apr 27 to May 18
Plant for fall: Oct 13 to Nov 17
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Bradley, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 19 – Feb 2 | Mar 16 – Mar 30 | — | — |
| Peppers | Feb 2 – Feb 16 | Apr 27 – May 11 | — | — |
| Eggplant | Feb 2 – Feb 16 | Apr 27 – May 11 | — | — |
| Tomatoes | Feb 16 – Mar 2 | Apr 20 – May 4 | — | — |
| Lettuce | Feb 16 – Mar 2 | Mar 23 – Apr 6 | Mar 16 – Apr 20 | Sep 1 – Sep 29 |
| Kale | Feb 16 – Mar 2 | Mar 16 – Mar 30 | Mar 16 – Mar 30 | Aug 18 – Sep 8 |
| Broccoli | Feb 16 – Mar 2 | Mar 30 – Apr 13 | — | Jul 21 – Aug 11 |
| Cabbage | Feb 16 – Mar 2 | Mar 23 – Apr 6 | — | Jul 21 – Aug 11 |
| Cauliflower | Feb 16 – Mar 2 | Mar 30 – Apr 13 | — | Jul 21 – Aug 11 |
| Okra | Mar 2 – Mar 16 | May 4 – May 18 | May 4 – May 18 | — |
| Basil | Mar 2 – Mar 16 | Apr 20 – May 4 | — | — |
| Peas | — | — | Mar 2 – Mar 23 | Aug 4 – Aug 25 |
| Spinach | — | — | Mar 2 – Mar 23 | Sep 1 – Sep 22 |
| Radishes | — | — | Mar 9 – Apr 20 | Sep 15 – Oct 6 |
| Cucumbers | Mar 16 – Mar 23 | Apr 27 – May 4 | Apr 20 – May 4 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 16 – Mar 23 | — | Apr 20 – May 4 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 16 – Mar 23 | — | Apr 20 – May 4 | — |
| Melons & Watermelon | Mar 16 – Mar 23 | Apr 27 – May 11 | — | — |
| Carrots | — | — | Mar 23 – Apr 20 | Aug 4 – Aug 18 |
| Beets | — | — | Mar 23 – Apr 20 | Aug 18 – Sep 1 |
| Potatoes | — | — | Mar 23 – Apr 13 | — |
| Swiss Chard | — | — | Mar 30 – Apr 27 | Aug 18 – Sep 1 |
| Cilantro | — | — | Mar 30 – Apr 20 | Sep 1 – Sep 22 |
| Green Beans | — | — | Apr 20 – May 11 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | Apr 20 – May 4 | — |
| Sweet Potatoes | — | Apr 27 – May 18 | — | — |
| 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 Lindsay 2 W, OK weather station, 9 km away (elevation 981 ft (299 m)).
Frost dates near Bradley
- Alex Apr 6 · Nov 1
- Lindsay Apr 13 · Oct 27
- Dibble Mar 31 · Nov 3
- Ninnekah Apr 6 · Nov 1
- Rush Springs Apr 4 · Oct 31
- Blanchard Apr 3 · Nov 4
- Chickasha Apr 4 · Nov 1
- Maysville Apr 5 · Nov 1
- Purcell Apr 4 · Nov 2
- Foster Apr 13 · Oct 27
Frequently asked questions
When is the last frost in Bradley, OK?
The median last spring frost in Bradley, OK is April 13. There is still about a 10% chance of frost after April 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Bradley, OK?
The median first fall frost is October 27, with about a 10% chance of frost before October 12.
How long is the growing season in Bradley, OK?
About 197 days between the median last spring frost and first fall frost.
What planting zone is Bradley, OK?
Bradley, OK is in USDA hardiness zone 7b.